51527253 has 4 divisors (see below), whose sum is σ = 68703008. Its totient is φ = 34351500.

The previous prime is 51527233. The next prime is 51527257. The reversal of 51527253 is 35272515.

51527253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51527253 - 2²² = 47332949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51527253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8587873 + ... + 8587878.

It is an arithmetic number, because the mean of its divisors is an integer number (17175752).

Almost surely, 2^51527253 is an apocalyptic number.

It is an amenable number.

51527253 is a deficient number, since it is larger than the sum of its proper divisors (17175755).

51527253 is a wasteful number, since it uses less digits than its factorization.

51527253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17175754.

The product of its digits is 10500, while the sum is 30.

The square root of 51527253 is about 7178.2486025492. The cubic root of 51527253 is about 372.1165593237.

Adding to 51527253 its reverse (35272515), we get a palindrome (86799768).

The spelling of 51527253 in words is "fifty-one million, five hundred twenty-seven thousand, two hundred fifty-three".