25482520 has 32 divisors (see below), whose sum is σ = 65527200. Its totient is φ = 8736768.

The previous prime is 25482491. The next prime is 25482521. The reversal of 25482520 is 2528452.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25482521) 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, 45225 + ... + 45784.

It is an arithmetic number, because the mean of its divisors is an integer number (2047725).

Almost surely, 2^25482520 is an apocalyptic number.

25482520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25482520 is an abundant number, since it is smaller than the sum of its proper divisors (40044680).

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

25482520 is a wasteful number, since it uses less digits than its factorization.

25482520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91027 (or 91023 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25482520 is about 5048.0213945664. The cubic root of 25482520 is about 294.2709951388.

The spelling of 25482520 in words is "twenty-five million, four hundred eighty-two thousand, five hundred twenty".