25407052 has 24 divisors (see below), whose sum is σ = 49331520. Its totient is φ = 11351760.

The previous prime is 25407029. The next prime is 25407079. The reversal of 25407052 is 25070452.

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, 2298 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (2055480).

Almost surely, 2^25407052 is an apocalyptic number.

25407052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25407052 is a deficient number, since it is larger than the sum of its proper divisors (23924468).

25407052 is a wasteful number, since it uses less digits than its factorization.

25407052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861 (or 9859 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25407052 is about 5040.5408439968. The cubic root of 25407052 is about 293.9802075312.

The spelling of 25407052 in words is "twenty-five million, four hundred seven thousand, fifty-two".