49700251 has 2 divisors, whose sum is σ = 49700252. Its totient is φ = 49700250.

The previous prime is 49700239. The next prime is 49700267. The reversal of 49700251 is 15200794.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49700251 - 2⁹ = 49699739 is a prime.

It is a super-2 number, since 2×49700251² = 4940229898926002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49700351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24850125 + 24850126.

It is an arithmetic number, because the mean of its divisors is an integer number (24850126).

Almost surely, 2^49700251 is an apocalyptic number.

49700251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49700251 is an equidigital number, since it uses as much as digits as its factorization.

49700251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 49700251 is about 7049.8404946495. The cubic root of 49700251 is about 367.6654839584.

The spelling of 49700251 in words is "forty-nine million, seven hundred thousand, two hundred fifty-one".