49635251 has 2 divisors, whose sum is σ = 49635252. Its totient is φ = 49635250.

The previous prime is 49635203. The next prime is 49635263. The reversal of 49635251 is 15253694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49635251 - 2¹⁴ = 49618867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49635451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24817625 + 24817626.

It is an arithmetic number, because the mean of its divisors is an integer number (24817626).

Almost surely, 2^49635251 is an apocalyptic number.

49635251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49635251 is an equidigital number, since it uses as much as digits as its factorization.

49635251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 49635251 is about 7045.2289529866. The cubic root of 49635251 is about 367.5051314322.

The spelling of 49635251 in words is "forty-nine million, six hundred thirty-five thousand, two hundred fifty-one".