25498560 has 56 divisors (see below), whose sum is σ = 80960976. Its totient is φ = 6799360.

The previous prime is 25498553. The next prime is 25498567. The reversal of 25498560 is 6589452.

It is an interprime number because it is at equal distance from previous prime (25498553) and next prime (25498567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25498567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12321 + ... + 14240.

Almost surely, 2^25498560 is an apocalyptic number.

25498560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25498560 is an abundant number, since it is smaller than the sum of its proper divisors (55462416).

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

25498560 is a wasteful number, since it uses less digits than its factorization.

25498560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26581 (or 26571 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 25498560 is about 5049.6098859219. The cubic root of 25498560 is about 294.3327252549.

The spelling of 25498560 in words is "twenty-five million, four hundred ninety-eight thousand, five hundred sixty".