51301252 has 12 divisors (see below), whose sum is σ = 91687680. Its totient is φ = 25104776.

The previous prime is 51301219. The next prime is 51301309. The reversal of 51301252 is 25210315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136252 + ... + 136627.

It is an arithmetic number, because the mean of its divisors is an integer number (7640640).

Almost surely, 2^51301252 is an apocalyptic number.

It is an amenable number.

51301252 is a deficient number, since it is larger than the sum of its proper divisors (40386428).

51301252 is a wasteful number, since it uses less digits than its factorization.

51301252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272930 (or 272928 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51301252 is about 7162.4892321036. The cubic root of 51301252 is about 371.5717216326.

Adding to 51301252 its reverse (25210315), we get a palindrome (76511567).

The spelling of 51301252 in words is "fifty-one million, three hundred one thousand, two hundred fifty-two".