1097625064 has 8 divisors (see below), whose sum is σ = 2058047010. Its totient is φ = 548812528.

The previous prime is 1097625013. The next prime is 1097625073. The reversal of 1097625064 is 4605267901.

It can be written as a sum of positive squares in only one way, i.e., 827022564 + 270602500 = 28758^2 + 16450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1097625064² = 2409561562242008192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68601559 + ... + 68601574.

Almost surely, 2^1097625064 is an apocalyptic number.

It is an amenable number.

1097625064 is a deficient number, since it is larger than the sum of its proper divisors (960421946).

1097625064 is a wasteful number, since it uses less digits than its factorization.

1097625064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137203139 (or 137203135 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1097625064 is about 33130.4250500956. The cubic root of 1097625064 is about 1031.5366713083.

The spelling of 1097625064 in words is "one billion, ninety-seven million, six hundred twenty-five thousand, sixty-four".