25214632 has 8 divisors (see below), whose sum is σ = 47277450. Its totient is φ = 12607312.

The previous prime is 25214617. The next prime is 25214669. The reversal of 25214632 is 23641252.

It can be written as a sum of positive squares in only one way, i.e., 19483396 + 5731236 = 4414^2 + 2394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25214597 and 25214606.

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 as a sum of consecutive naturals, namely, 1575907 + ... + 1575922.

Almost surely, 2^25214632 is an apocalyptic number.

It is an amenable number.

25214632 is a deficient number, since it is larger than the sum of its proper divisors (22062818).

25214632 is a wasteful number, since it uses less digits than its factorization.

25214632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151835 (or 3151831 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 25214632 is about 5021.4173297984. The cubic root of 25214632 is about 293.2361742041.

Adding to 25214632 its reverse (23641252), we get a palindrome (48855884).

It can be divided in two parts, 252 and 14632, that added together give a square (14884 = 122²).

The spelling of 25214632 in words is "twenty-five million, two hundred fourteen thousand, six hundred thirty-two".