50872531 has 2 divisors, whose sum is σ = 50872532. Its totient is φ = 50872530.

The previous prime is 50872529. The next prime is 50872561. The reversal of 50872531 is 13527805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50872531 - 2¹ = 50872529 is a prime.

It is a super-2 number, since 2×50872531² = 5176028820691922, which contains 22 as substring.

Together with 50872529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50872493 and 50872502.

It is not a weakly prime, because it can be changed into another prime (50872501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25436265 + 25436266.

It is an arithmetic number, because the mean of its divisors is an integer number (25436266).

Almost surely, 2^50872531 is an apocalyptic number.

50872531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50872531 is an equidigital number, since it uses as much as digits as its factorization.

50872531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 50872531 is about 7132.4982299332. The cubic root of 50872531 is about 370.5337584880.

The spelling of 50872531 in words is "fifty million, eight hundred seventy-two thousand, five hundred thirty-one".