905152446025 has 27 divisors (see below), whose sum is σ = 1173452115829. Its totient is φ = 692554670720.

The previous prime is 905152446017. The next prime is 905152446049. The reversal of 905152446025 is 520644251509.

The square root of 905152446025 is 951395.

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 15729925561 + 889422520464 = 125419^2 + 943092^2 .

It is not a de Polignac number, because 905152446025 - 2³ = 905152446017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 109406289 + ... + 109414561.

Almost surely, 2^905152446025 is an apocalyptic number.

905152446025 is the 951395-th square number.

905152446025 is the 475698-th centered octagonal number.

It is an amenable number.

905152446025 is a deficient number, since it is larger than the sum of its proper divisors (268299669804).

905152446025 is an frugal number, since it uses more digits than its factorization.

905152446025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16602 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 905152446025 in words is "nine hundred five billion, one hundred fifty-two million, four hundred forty-six thousand, twenty-five".