25497360 has 120 divisors (see below), whose sum is σ = 97880640. Its totient is φ = 5826816.

The previous prime is 25497347. The next prime is 25497361. The reversal of 25497360 is 6379452.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25497361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2511 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (815672).

Almost surely, 2^25497360 is an apocalyptic number.

25497360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25497360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48940320).

25497360 is an abundant number, since it is smaller than the sum of its proper divisors (72383280).

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

25497360 is a wasteful number, since it uses less digits than its factorization.

25497360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 25497360 is about 5049.4910634637. The cubic root of 25497360 is about 294.3281079378.

The spelling of 25497360 in words is "twenty-five million, four hundred ninety-seven thousand, three hundred sixty".