52435405251 has 12 divisors (see below), whose sum is σ = 80195325912. Its totient is φ = 32900646336.

The previous prime is 52435405237. The next prime is 52435405283. The reversal of 52435405251 is 15250453425.

52435405251 is a `hidden beast` number, since 5 + 243 + 5 + 405 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 52435405251 - 2⁵ = 52435405219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52435405951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171357381 + ... + 171357686.

It is an arithmetic number, because the mean of its divisors is an integer number (6682943826).

Almost surely, 2^52435405251 is an apocalyptic number.

52435405251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52435405251 is a deficient number, since it is larger than the sum of its proper divisors (27759920661).

52435405251 is a wasteful number, since it uses less digits than its factorization.

52435405251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342715090 (or 342715087 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 52435405251 its reverse (15250453425), we get a palindrome (67685858676).

The spelling of 52435405251 in words is "fifty-two billion, four hundred thirty-five million, four hundred five thousand, two hundred fifty-one".