49525309 has 2 divisors, whose sum is σ = 49525310. Its totient is φ = 49525308.

The previous prime is 49525303. The next prime is 49525313. The reversal of 49525309 is 90352594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33605209 + 15920100 = 5797^2 + 3990^2 .

It is a cyclic number.

It is not a de Polignac number, because 49525309 - 2²³ = 41136701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49525303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24762654 + 24762655.

It is an arithmetic number, because the mean of its divisors is an integer number (24762655).

Almost surely, 2^49525309 is an apocalyptic number.

It is an amenable number.

49525309 is a deficient number, since it is larger than the sum of its proper divisors (1).

49525309 is an equidigital number, since it uses as much as digits as its factorization.

49525309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 49525309 is about 7037.4220421970. The cubic root of 49525309 is about 367.2335897564.

The spelling of 49525309 in words is "forty-nine million, five hundred twenty-five thousand, three hundred nine".