49157113 has 2 divisors, whose sum is σ = 49157114. Its totient is φ = 49157112.

The previous prime is 49157111. The next prime is 49157131. The reversal of 49157113 is 31175194.

Together with next prime (49157131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 1159929 = 6928^2 + 1077^2 .

It is a cyclic number.

It is not a de Polignac number, because 49157113 - 2¹ = 49157111 is a prime.

Together with 49157111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49157111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24578556 + 24578557.

It is an arithmetic number, because the mean of its divisors is an integer number (24578557).

Almost surely, 2^49157113 is an apocalyptic number.

It is an amenable number.

49157113 is a deficient number, since it is larger than the sum of its proper divisors (1).

49157113 is an equidigital number, since it uses as much as digits as its factorization.

49157113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 49157113 is about 7011.2133757289. The cubic root of 49157113 is about 366.3212588345.

The spelling of 49157113 in words is "forty-nine million, one hundred fifty-seven thousand, one hundred thirteen".