49970317 has 2 divisors, whose sum is σ = 49970318. Its totient is φ = 49970316.

The previous prime is 49970311. The next prime is 49970321. The reversal of 49970317 is 71307994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 24860196 = 5011^2 + 4986^2 .

It is a cyclic number.

It is not a de Polignac number, because 49970317 - 2⁷ = 49970189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49970317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49970311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24985158 + 24985159.

It is an arithmetic number, because the mean of its divisors is an integer number (24985159).

Almost surely, 2^49970317 is an apocalyptic number.

It is an amenable number.

49970317 is a deficient number, since it is larger than the sum of its proper divisors (1).

49970317 is an equidigital number, since it uses as much as digits as its factorization.

49970317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 49970317 is about 7068.9685952054. The cubic root of 49970317 is about 368.3302333616.

The spelling of 49970317 in words is "forty-nine million, nine hundred seventy thousand, three hundred seventeen".