49725397 has 2 divisors, whose sum is σ = 49725398. Its totient is φ = 49725396.

The previous prime is 49725367. The next prime is 49725437. The reversal of 49725397 is 79352794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 8071281 = 6454^2 + 2841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49725397 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 (49725307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24862698 + 24862699.

It is an arithmetic number, because the mean of its divisors is an integer number (24862699).

Almost surely, 2^49725397 is an apocalyptic number.

It is an amenable number.

49725397 is a deficient number, since it is larger than the sum of its proper divisors (1).

49725397 is an equidigital number, since it uses as much as digits as its factorization.

49725397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 49725397 is about 7051.6237137272. The cubic root of 49725397 is about 367.7274806773.

The spelling of 49725397 in words is "forty-nine million, seven hundred twenty-five thousand, three hundred ninety-seven".