49201931 has 2 divisors, whose sum is σ = 49201932. Its totient is φ = 49201930.

The previous prime is 49201921. The next prime is 49201949. The reversal of 49201931 is 13910294.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49201931 is a prime.

It is a super-2 number, since 2×49201931² = 4841660028257522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49201894 and 49201903.

It is not a weakly prime, because it can be changed into another prime (49201921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24600965 + 24600966.

It is an arithmetic number, because the mean of its divisors is an integer number (24600966).

Almost surely, 2^49201931 is an apocalyptic number.

49201931 is a deficient number, since it is larger than the sum of its proper divisors (1).

49201931 is an equidigital number, since it uses as much as digits as its factorization.

49201931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 49201931 is about 7014.4088132928. The cubic root of 49201931 is about 366.4325536751.

The spelling of 49201931 in words is "forty-nine million, two hundred one thousand, nine hundred thirty-one".