1097258652 has 36 divisors (see below), whose sum is σ = 3169859056. Its totient is φ = 313502400.

The previous prime is 1097258651. The next prime is 1097258689. The reversal of 1097258652 is 2568527901.

1097258652 is a `hidden beast` number, since 10 + 9 + 7 + 2 + 586 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1097258598 and 1097258607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097258651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2176849 + ... + 2177352.

Almost surely, 2^1097258652 is an apocalyptic number.

1097258652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1097258652 is an abundant number, since it is smaller than the sum of its proper divisors (2072600404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097258652 is a wasteful number, since it uses less digits than its factorization.

1097258652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354218 (or 4354213 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1097258652 is about 33124.8947470026. The cubic root of 1097258652 is about 1031.4218751321.

The spelling of 1097258652 in words is "one billion, ninety-seven million, two hundred fifty-eight thousand, six hundred fifty-two".