49740259 has 2 divisors, whose sum is σ = 49740260. Its totient is φ = 49740258.

The previous prime is 49740239. The next prime is 49740277. The reversal of 49740259 is 95204794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49740259 is a prime.

It is a Chen prime.

It is equal to p_2986429 and since 49740259 and 2986429 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49740239) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24870129 + 24870130.

It is an arithmetic number, because the mean of its divisors is an integer number (24870130).

Almost surely, 2^49740259 is an apocalyptic number.

49740259 is a deficient number, since it is larger than the sum of its proper divisors (1).

49740259 is an equidigital number, since it uses as much as digits as its factorization.

49740259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49740259 is about 7052.6774348470. The cubic root of 49740259 is about 367.7641126719.

The spelling of 49740259 in words is "forty-nine million, seven hundred forty thousand, two hundred fifty-nine".