25083540 has 48 divisors (see below), whose sum is σ = 78039360. Its totient is φ = 6688800.

The previous prime is 25083529. The next prime is 25083559. The reversal of 25083540 is 4538052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22686 + ... + 23765.

It is an arithmetic number, because the mean of its divisors is an integer number (1625820).

Almost surely, 2^25083540 is an apocalyptic number.

25083540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25083540 is an abundant number, since it is smaller than the sum of its proper divisors (52955820).

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

25083540 is a wasteful number, since it uses less digits than its factorization.

25083540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46469 (or 46461 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25083540 is about 5008.3470327045. The cubic root of 25083540 is about 292.7271082998.

The spelling of 25083540 in words is "twenty-five million, eighty-three thousand, five hundred forty".