1975358025 has 27 divisors (see below), whose sum is σ = 3539280199. Its totient is φ = 1053168720.

The previous prime is 1975357963. The next prime is 1975358029. The reversal of 1975358025 is 5208535791.

The square root of 1975358025 is 44445.

It is a perfect power (a square), and thus also a powerful number.

1975358025 is a `hidden beast` number, since 1 + 97 + 535 + 8 + 0 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 711128889 + 1264229136 = 26667^2 + 35556^2 .

It is not a de Polignac number, because 1975358025 - 2⁷ = 1975357897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1975358029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 665194 + ... + 668156.

Almost surely, 2^1975358025 is an apocalyptic number.

1975358025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1975358025 is the 44445-th square number.

1975358025 is the 22223-rd centered octagonal number.

It is an amenable number.

1975358025 is a deficient number, since it is larger than the sum of its proper divisors (1563922174).

1975358025 is an frugal number, since it uses more digits than its factorization.

1975358025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The cubic root of 1975358025 is about 1254.7251611088.

It can be divided in two parts, 1975 and 358025, that added together give a square (360000 = 600²).

The spelling of 1975358025 in words is "one billion, nine hundred seventy-five million, three hundred fifty-eight thousand, twenty-five".