25121332 has 6 divisors (see below), whose sum is σ = 43962338. Its totient is φ = 12560664.

The previous prime is 25121323. The next prime is 25121347. The reversal of 25121332 is 23312152.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 1267876 = 4884^2 + 1126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140163 + ... + 3140170.

Almost surely, 2^25121332 is an apocalyptic number.

It is an amenable number.

25121332 is a deficient number, since it is larger than the sum of its proper divisors (18841006).

25121332 is a wasteful number, since it uses less digits than its factorization.

25121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280337 (or 6280335 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 25121332 is about 5012.1185141615. The cubic root of 25121332 is about 292.8740465130.

Adding to 25121332 its reverse (23312152), we get a palindrome (48433484).

It can be divided in two parts, 2512 and 1332, that added together give a square (3844 = 62²).

The spelling of 25121332 in words is "twenty-five million, one hundred twenty-one thousand, three hundred thirty-two".