25642062 has 32 divisors (see below), whose sum is σ = 57446400. Its totient is φ = 8477784.

The previous prime is 25642051. The next prime is 25642063. The reversal of 25642062 is 26024652.

It is a super-2 number, since 2×25642062² = 1315030687223688, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25642063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 8727.

It is an arithmetic number, because the mean of its divisors is an integer number (1795200).

Almost surely, 2^25642062 is an apocalyptic number.

25642062 is an abundant number, since it is smaller than the sum of its proper divisors (31804338).

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

25642062 is a wasteful number, since it uses less digits than its factorization.

25642062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25642062 is about 5063.7991666337. The cubic root of 25642062 is about 294.8838458732.

The spelling of 25642062 in words is "twenty-five million, six hundred forty-two thousand, sixty-two".