49240897 has 2 divisors, whose sum is σ = 49240898. Its totient is φ = 49240896.

The previous prime is 49240883. The next prime is 49240957. The reversal of 49240897 is 79804294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 16641 = 7016^2 + 129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49240897 is a prime.

It is not a weakly prime, because it can be changed into another prime (49240097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24620448 + 24620449.

It is an arithmetic number, because the mean of its divisors is an integer number (24620449).

Almost surely, 2^49240897 is an apocalyptic number.

It is an amenable number.

49240897 is a deficient number, since it is larger than the sum of its proper divisors (1).

49240897 is an equidigital number, since it uses as much as digits as its factorization.

49240897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 49240897 is about 7017.1858319415. The cubic root of 49240897 is about 366.5292615546.

The spelling of 49240897 in words is "forty-nine million, two hundred forty thousand, eight hundred ninety-seven".