51254523 has 12 divisors (see below), whose sum is σ = 74182680. Its totient is φ = 34101216.

The previous prime is 51254521. The next prime is 51254549. The reversal of 51254523 is 32545215.

It is a happy number.

It is not a de Polignac number, because 51254523 - 2¹ = 51254521 is a prime.

It is a super-2 number, since 2×51254523² = 5254052255915058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51254521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (6181890).

Almost surely, 2^51254523 is an apocalyptic number.

51254523 is a deficient number, since it is larger than the sum of its proper divisors (22928157).

51254523 is a wasteful number, since it uses less digits than its factorization.

51254523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418 (or 11415 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 51254523 is about 7159.2264246914. The cubic root of 51254523 is about 371.4588689642.

Adding to 51254523 its reverse (32545215), we get a palindrome (83799738).

The spelling of 51254523 in words is "fifty-one million, two hundred fifty-four thousand, five hundred twenty-three".