25425202 has 16 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 11409840.

The previous prime is 25425181. The next prime is 25425203. The reversal of 25425202 is 20252452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (25425203) 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 7 ways as a sum of consecutive naturals, for example, 5577 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^25425202 is an apocalyptic number.

25425202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25425202 is a deficient number, since it is larger than the sum of its proper divisors (16709198).

25425202 is a wasteful number, since it uses less digits than its factorization.

25425202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 25425202 is about 5042.3409246103. The cubic root of 25425202 is about 294.0501942775.

Adding to 25425202 its reverse (20252452), we get a palindrome (45677654).

It can be divided in two parts, 2542 and 5202, that added together give a square (7744 = 88²).

The spelling of 25425202 in words is "twenty-five million, four hundred twenty-five thousand, two hundred two".