25213416 has 32 divisors (see below), whose sum is σ = 65068800. Its totient is φ = 8133120.

The previous prime is 25213393. The next prime is 25213421. The reversal of 25213416 is 61431252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16201 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (2033400).

Almost surely, 2^25213416 is an apocalyptic number.

It is an amenable number.

25213416 is an abundant number, since it is smaller than the sum of its proper divisors (39855384).

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

25213416 is a wasteful number, since it uses less digits than its factorization.

25213416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33929 (or 33925 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 25213416 is about 5021.2962469864. The cubic root of 25213416 is about 293.2314602623.

Adding to 25213416 its reverse (61431252), we get a palindrome (86644668).

The spelling of 25213416 in words is "twenty-five million, two hundred thirteen thousand, four hundred sixteen".