26980525 has 24 divisors (see below), whose sum is σ = 39309984. Its totient is φ = 18110400.

The previous prime is 26980519. The next prime is 26980531. The reversal of 26980525 is 52508962.

26980525 = 166² + 167² + ... + 440².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26980519) and next prime (26980531).

It is not a de Polignac number, because 26980525 - 2¹³ = 26972333 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 199 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (1637916).

Almost surely, 2^26980525 is an apocalyptic number.

26980525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26980525 is a deficient number, since it is larger than the sum of its proper divisors (12329459).

26980525 is a wasteful number, since it uses less digits than its factorization.

26980525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581 (or 7576 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 26980525 is about 5194.2781019118. The cubic root of 26980525 is about 299.9278530211.

The spelling of 26980525 in words is "twenty-six million, nine hundred eighty thousand, five hundred twenty-five".