1051656625 has 16 divisors (see below), whose sum is σ = 1321931520. Its totient is φ = 835258800.

The previous prime is 1051656569. The next prime is 1051656629. The reversal of 1051656625 is 5266561501.

It is not a de Polignac number, because 1051656625 - 2¹⁵ = 1051623857 is a prime.

It is a super-2 number, since 2×1051656625² = 2211963313812781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051656629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12889 + ... + 47638.

It is an arithmetic number, because the mean of its divisors is an integer number (82620720).

Almost surely, 2^1051656625 is an apocalyptic number.

It is an amenable number.

1051656625 is a deficient number, since it is larger than the sum of its proper divisors (270274895).

1051656625 is an equidigital number, since it uses as much as digits as its factorization.

1051656625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60681 (or 60671 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1051656625 is about 32429.2556960532. The cubic root of 1051656625 is about 1016.9306116925.

The spelling of 1051656625 in words is "one billion, fifty-one million, six hundred fifty-six thousand, six hundred twenty-five".