1051255625 has 20 divisors (see below), whose sum is σ = 1501319424. Its totient is φ = 720858000.

The previous prime is 1051255619. The next prime is 1051255637. The reversal of 1051255625 is 5265521501.

It is not a de Polignac number, because 1051255625 - 2⁴ = 1051255609 is a prime.

It is a super-2 number, since 2×1051255625² = 2210276778188281250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051255591 and 1051255600.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115769 + ... + 124518.

Almost surely, 2^1051255625 is an apocalyptic number.

It is an amenable number.

1051255625 is a deficient number, since it is larger than the sum of its proper divisors (450063799).

1051255625 is an frugal number, since it uses more digits than its factorization.

1051255625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240314 (or 240299 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1051255625 is about 32423.0724176473. The cubic root of 1051255625 is about 1016.8013423071.

The spelling of 1051255625 in words is "one billion, fifty-one million, two hundred fifty-five thousand, six hundred twenty-five".