49322521 has 2 divisors, whose sum is σ = 49322522. Its totient is φ = 49322520.

The previous prime is 49322509. The next prime is 49322527. The reversal of 49322521 is 12522394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 10634121 = 6220^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 49322521 - 2⁷ = 49322393 is a prime.

It is a super-2 number, since 2×49322521² = 4865422155590882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49322521.

It is not a weakly prime, because it can be changed into another prime (49322527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24661260 + 24661261.

It is an arithmetic number, because the mean of its divisors is an integer number (24661261).

Almost surely, 2^49322521 is an apocalyptic number.

It is an amenable number.

49322521 is a deficient number, since it is larger than the sum of its proper divisors (1).

49322521 is an equidigital number, since it uses as much as digits as its factorization.

49322521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 49322521 is about 7022.9994304428. Note that the first 3 decimals coincide. The cubic root of 49322521 is about 366.7316750668.

The spelling of 49322521 in words is "forty-nine million, three hundred twenty-two thousand, five hundred twenty-one".