1379751025 has 81 divisors (see below), whose sum is σ = 2005165281. Its totient is φ = 941402880.

The previous prime is 1379751013. The next prime is 1379751029. The reversal of 1379751025 is 5201579731.

The square root of 1379751025 is 37145.

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

It can be written as a sum of positive squares in 4 ways, for example, as 32273761 + 1347477264 = 5681^2 + 36708^2 .

It is not a de Polignac number, because 1379751025 - 2⁵ = 1379750993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379751029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 59989164 + ... + 59989186.

Almost surely, 2^1379751025 is an apocalyptic number.

1379751025 is the 37145-th square number.

1379751025 is the 18573-rd centered octagonal number.

It is an amenable number.

1379751025 is a deficient number, since it is larger than the sum of its proper divisors (625414256).

1379751025 is a wasteful number, since it uses less digits than its factorization.

1379751025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 40.

The cubic root of 1379751025 is about 1113.2693226870.

The spelling of 1379751025 in words is "one billion, three hundred seventy-nine million, seven hundred fifty-one thousand, twenty-five".