1097512925 has 12 divisors (see below), whose sum is σ = 1361344416. Its totient is φ = 877734000.

The previous prime is 1097512849. The next prime is 1097512943. The reversal of 1097512925 is 5292157901.

It is not a de Polignac number, because 1097512925 - 2¹⁰ = 1097511901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119342 + ... + 128208.

It is an arithmetic number, because the mean of its divisors is an integer number (113445368).

Almost surely, 2^1097512925 is an apocalyptic number.

It is an amenable number.

1097512925 is a deficient number, since it is larger than the sum of its proper divisors (263831491).

1097512925 is an equidigital number, since it uses as much as digits as its factorization.

1097512925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828 (or 13823 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 1097512925 is about 33128.7326198875. The cubic root of 1097512925 is about 1031.5015410882.

The spelling of 1097512925 in words is "one billion, ninety-seven million, five hundred twelve thousand, nine hundred twenty-five".