109297525 has 12 divisors (see below), whose sum is σ = 135941572. Its totient is φ = 87171840.

The previous prime is 109297511. The next prime is 109297603. The reversal of 109297525 is 525792901.

It can be written as a sum of positive squares in 6 ways, for example, as 37234404 + 72063121 = 6102^2 + 8489^2 .

It is not a de Polignac number, because 109297525 - 2⁵ = 109297493 is a prime.

It is a super-2 number, since 2×109297525² = 23891897942251250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939 + ... + 14911.

Almost surely, 2^109297525 is an apocalyptic number.

It is an amenable number.

109297525 is a deficient number, since it is larger than the sum of its proper divisors (26644047).

109297525 is a wasteful number, since it uses less digits than its factorization.

109297525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320 (or 13315 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 109297525 is about 10454.5456620553. The cubic root of 109297525 is about 478.1198514262.

The spelling of 109297525 in words is "one hundred nine million, two hundred ninety-seven thousand, five hundred twenty-five".