25642050 has 48 divisors (see below), whose sum is σ = 72679872. Its totient is φ = 5860800.

The previous prime is 25642013. The next prime is 25642051. The reversal of 25642050 is 5024652.

It is a self number, because there is not a number n which added to its sum of digits gives 25642050.

It is not an unprimeable number, because it can be changed into a prime (25642051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11161 + ... + 13260.

It is an arithmetic number, because the mean of its divisors is an integer number (1514164).

Almost surely, 2^25642050 is an apocalyptic number.

25642050 is an abundant number, since it is smaller than the sum of its proper divisors (47037822).

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

25642050 is a wasteful number, since it uses less digits than its factorization.

25642050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24443 (or 24438 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25642050 is about 5063.7979817524. The cubic root of 25642050 is about 294.8837998732.

The spelling of 25642050 in words is "twenty-five million, six hundred forty-two thousand, fifty".