49257479 has 2 divisors, whose sum is σ = 49257480. Its totient is φ = 49257478.

The previous prime is 49257437. The next prime is 49257487. The reversal of 49257479 is 97475294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49257479 - 2⁸ = 49257223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49257379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24628739 + 24628740.

It is an arithmetic number, because the mean of its divisors is an integer number (24628740).

Almost surely, 2^49257479 is an apocalyptic number.

49257479 is a deficient number, since it is larger than the sum of its proper divisors (1).

49257479 is an equidigital number, since it uses as much as digits as its factorization.

49257479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 49257479 is about 7018.3672602679. The cubic root of 49257479 is about 366.5704001641.

The spelling of 49257479 in words is "forty-nine million, two hundred fifty-seven thousand, four hundred seventy-nine".