49122013 has 2 divisors, whose sum is σ = 49122014. Its totient is φ = 49122012.

The previous prime is 49121999. The next prime is 49122023. The reversal of 49122013 is 31022194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36990724 + 12131289 = 6082^2 + 3483^2 .

It is a cyclic number.

It is not a de Polignac number, because 49122013 - 2⁵ = 49121981 is a prime.

It is a super-2 number, since 2×49122013² = 4825944322344338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49122023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24561006 + 24561007.

It is an arithmetic number, because the mean of its divisors is an integer number (24561007).

Almost surely, 2^49122013 is an apocalyptic number.

It is an amenable number.

49122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49122013 is an equidigital number, since it uses as much as digits as its factorization.

49122013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 49122013 is about 7008.7097956757. The cubic root of 49122013 is about 366.2340490904.

The spelling of 49122013 in words is "forty-nine million, one hundred twenty-two thousand, thirteen".