26870525 has 12 divisors (see below), whose sum is σ = 36348864. Its totient is φ = 19542000.

The previous prime is 26870513. The next prime is 26870527. The reversal of 26870525 is 52507862.

It is not a de Polignac number, because 26870525 - 2¹⁶ = 26804989 is a prime.

It is a super-2 number, since 2×26870525² = 1444050227551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26870527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48581 + ... + 49130.

It is an arithmetic number, because the mean of its divisors is an integer number (3029072).

Almost surely, 2^26870525 is an apocalyptic number.

26870525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26870525 is a deficient number, since it is larger than the sum of its proper divisors (9478339).

26870525 is a wasteful number, since it uses less digits than its factorization.

26870525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97732 (or 97727 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 26870525 is about 5183.6787130377. The cubic root of 26870525 is about 299.5196943951.

The spelling of 26870525 in words is "twenty-six million, eight hundred seventy thousand, five hundred twenty-five".