50342531 has 2 divisors, whose sum is σ = 50342532. Its totient is φ = 50342530.

The previous prime is 50342519. The next prime is 50342549. The reversal of 50342531 is 13524305.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50342531 is a prime.

It is a super-2 number, since 2×50342531² = 5068740854971922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 50342497 and 50342506.

It is not a weakly prime, because it can be changed into another prime (50342581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25171265 + 25171266.

It is an arithmetic number, because the mean of its divisors is an integer number (25171266).

Almost surely, 2^50342531 is an apocalyptic number.

50342531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50342531 is an equidigital number, since it uses as much as digits as its factorization.

50342531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50342531 is about 7095.2470711033. The cubic root of 50342531 is about 369.2424994125.

Adding to 50342531 its reverse (13524305), we get a palindrome (63866836).

It can be divided in two parts, 503 and 42531, that added together give a palindrome (43034).

The spelling of 50342531 in words is "fifty million, three hundred forty-two thousand, five hundred thirty-one".