26252520 has 64 divisors (see below), whose sum is σ = 90011520. Its totient is φ = 6000384.

The previous prime is 26252431. The next prime is 26252521. The reversal of 26252520 is 2525262.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (26252521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14787 + ... + 16466.

It is an arithmetic number, because the mean of its divisors is an integer number (1406430).

Almost surely, 2^26252520 is an apocalyptic number.

26252520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26252520 is an abundant number, since it is smaller than the sum of its proper divisors (63759000).

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

26252520 is a wasteful number, since it uses less digits than its factorization.

26252520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31274 (or 31270 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 26252520 is about 5123.7213038962. The cubic root of 26252520 is about 297.2056076090.

Adding to 26252520 its reverse (2525262), we get a palindrome (28777782).

The spelling of 26252520 in words is "twenty-six million, two hundred fifty-two thousand, five hundred twenty".