25254624 has 48 divisors (see below), whose sum is σ = 66552192. Its totient is φ = 8385408.

The previous prime is 25254613. The next prime is 25254653. The reversal of 25254624 is 42645252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 25254591 and 25254600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48027 + ... + 48549.

It is an arithmetic number, because the mean of its divisors is an integer number (1386504).

Almost surely, 2^25254624 is an apocalyptic number.

25254624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25254624 is an abundant number, since it is smaller than the sum of its proper divisors (41297568).

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

25254624 is a wasteful number, since it uses less digits than its factorization.

25254624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1031 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 25254624 is about 5025.3978946945. The cubic root of 25254624 is about 293.3911226822.

Adding to 25254624 its reverse (42645252), we get a palindrome (67899876).

It can be divided in two parts, 25254 and 624, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 25254624 in words is "twenty-five million, two hundred fifty-four thousand, six hundred twenty-four".