49380251 has 2 divisors, whose sum is σ = 49380252. Its totient is φ = 49380250.

The previous prime is 49380203. The next prime is 49380263. The reversal of 49380251 is 15208394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49380251 - 2¹⁰ = 49379227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49380271) 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, 24690125 + 24690126.

It is an arithmetic number, because the mean of its divisors is an integer number (24690126).

Almost surely, 2^49380251 is an apocalyptic number.

49380251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49380251 is an equidigital number, since it uses as much as digits as its factorization.

49380251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49380251 is about 7027.1082957359. The cubic root of 49380251 is about 366.8747007709.

The spelling of 49380251 in words is "forty-nine million, three hundred eighty thousand, two hundred fifty-one".