49745117 has 2 divisors, whose sum is σ = 49745118. Its totient is φ = 49745116.

The previous prime is 49745107. The next prime is 49745123. The reversal of 49745117 is 71154794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47251876 + 2493241 = 6874^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 49745117 - 2⁶ = 49745053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49745107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24872558 + 24872559.

It is an arithmetic number, because the mean of its divisors is an integer number (24872559).

Almost surely, 2^49745117 is an apocalyptic number.

It is an amenable number.

49745117 is a deficient number, since it is larger than the sum of its proper divisors (1).

49745117 is an equidigital number, since it uses as much as digits as its factorization.

49745117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 49745117 is about 7053.0218346465. The cubic root of 49745117 is about 367.7760851327.

The spelling of 49745117 in words is "forty-nine million, seven hundred forty-five thousand, one hundred seventeen".