25213342 has 48 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 9298800.

The previous prime is 25213301. The next prime is 25213369. The reversal of 25213342 is 24331252.

It is a super-2 number, since 2×25213342² = 1271425229617928, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19867 + ... + 21097.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^25213342 is an apocalyptic number.

25213342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25213342 is an abundant number, since it is smaller than the sum of its proper divisors (25347938).

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

25213342 is a wasteful number, since it uses less digits than its factorization.

25213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1270 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 25213342 is about 5021.2888783658. The cubic root of 25213342 is about 293.2311733893.

Adding to 25213342 its reverse (24331252), we get a palindrome (49544594).

The spelling of 25213342 in words is "twenty-five million, two hundred thirteen thousand, three hundred forty-two".