109072525 has 6 divisors (see below), whose sum is σ = 135249962. Its totient is φ = 87258000.

The previous prime is 109072519. The next prime is 109072531. The reversal of 109072525 is 525270901.

It is an interprime number because it is at equal distance from previous prime (109072519) and next prime (109072531).

It can be written as a sum of positive squares in 3 ways, for example, as 21799561 + 87272964 = 4669^2 + 9342^2 .

It is not a de Polignac number, because 109072525 - 2¹⁷ = 108941453 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 5 ways as a sum of consecutive naturals, for example, 2181426 + ... + 2181475.

Almost surely, 2^109072525 is an apocalyptic number.

It is an amenable number.

109072525 is a deficient number, since it is larger than the sum of its proper divisors (26177437).

109072525 is an equidigital number, since it uses as much as digits as its factorization.

109072525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362911 (or 4362906 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 109072525 is about 10443.7792489118. The cubic root of 109072525 is about 477.7915400258.

The spelling of 109072525 in words is "one hundred nine million, seventy-two thousand, five hundred twenty-five".