49150831 has 2 divisors, whose sum is σ = 49150832. Its totient is φ = 49150830.

The previous prime is 49150823. The next prime is 49150847. The reversal of 49150831 is 13805194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49150831 - 2³ = 49150823 is a prime.

It is a super-2 number, since 2×49150831² = 4831608375981122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49150793 and 49150802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49120831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24575415 + 24575416.

It is an arithmetic number, because the mean of its divisors is an integer number (24575416).

Almost surely, 2^49150831 is an apocalyptic number.

49150831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49150831 is an equidigital number, since it uses as much as digits as its factorization.

49150831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 49150831 is about 7010.7653647801. The cubic root of 49150831 is about 366.3056535772.

The spelling of 49150831 in words is "forty-nine million, one hundred fifty thousand, eight hundred thirty-one".