51245274 has 16 divisors (see below), whose sum is σ = 103398912. Its totient is φ = 16930368.

The previous prime is 51245273. The next prime is 51245309. The reversal of 51245274 is 47254215.

It is not an unprimeable number, because it can be changed into a prime (51245273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37114 + ... + 38469.

It is an arithmetic number, because the mean of its divisors is an integer number (6462432).

Almost surely, 2^51245274 is an apocalyptic number.

51245274 is an abundant number, since it is smaller than the sum of its proper divisors (52153638).

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

51245274 is a wasteful number, since it uses less digits than its factorization.

51245274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75701.

The product of its digits is 11200, while the sum is 30.

The square root of 51245274 is about 7158.5804458705. The cubic root of 51245274 is about 371.4365240760.

Adding to 51245274 its reverse (47254215), we get a palindrome (98499489).

The spelling of 51245274 in words is "fifty-one million, two hundred forty-five thousand, two hundred seventy-four".