42475149025 has 27 divisors (see below), whose sum is σ = 53875079769. Its totient is φ = 33219216480.

The previous prime is 42475149023. The next prime is 42475149091. The reversal of 42475149025 is 52094157424.

The square root of 42475149025 is 206095.

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 2311782561 + 40163366464 = 48081^2 + 200408^2 .

It is not a de Polignac number, because 42475149025 - 2¹ = 42475149023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42475149023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 48431887 + ... + 48432763.

Almost surely, 2^42475149025 is an apocalyptic number.

42475149025 is the 206095-th square number.

42475149025 is the 103048-th centered octagonal number.

It is an amenable number.

42475149025 is a deficient number, since it is larger than the sum of its proper divisors (11399930744).

42475149025 is an frugal number, since it uses more digits than its factorization.

42475149025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 42475149025 in words is "forty-two billion, four hundred seventy-five million, one hundred forty-nine thousand, twenty-five".