1055025625 has 10 divisors (see below), whose sum is σ = 1318360802. Its totient is φ = 844020000.

The previous prime is 1055025623. The next prime is 1055025649. The reversal of 1055025625 is 5265205501.

It can be written as a sum of positive squares in 5 ways, for example, as 584092224 + 470933401 = 24168^2 + 21701^2 .

It is not a de Polignac number, because 1055025625 - 2¹ = 1055025623 is a prime.

It is a super-2 number, since 2×1055025625² = 2226158138813281250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055025623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 843396 + ... + 844645.

Almost surely, 2^1055025625 is an apocalyptic number.

It is an amenable number.

1055025625 is a deficient number, since it is larger than the sum of its proper divisors (263335177).

1055025625 is an frugal number, since it uses more digits than its factorization.

1055025625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688061 (or 1688046 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1055025625 is about 32481.1579996773. The cubic root of 1055025625 is about 1018.0153723733.

The spelling of 1055025625 in words is "one billion, fifty-five million, twenty-five thousand, six hundred twenty-five".