25046538 has 32 divisors (see below), whose sum is σ = 54950400. Its totient is φ = 7547760.

The previous prime is 25046533. The next prime is 25046557. The reversal of 25046538 is 83564052.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25046499 and 25046508.

It is not an unprimeable number, because it can be changed into a prime (25046533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12181 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^25046538 is an apocalyptic number.

25046538 is an abundant number, since it is smaller than the sum of its proper divisors (29903862).

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

25046538 is a wasteful number, since it uses less digits than its factorization.

25046538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25046538 is about 5004.6516362280. The cubic root of 25046538 is about 292.5830986046.

The spelling of 25046538 in words is "twenty-five million, forty-six thousand, five hundred thirty-eight".