49315481 has 2 divisors, whose sum is σ = 49315482. Its totient is φ = 49315480.

The previous prime is 49315459. The next prime is 49315489. The reversal of 49315481 is 18451394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 7182400 = 6491^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 49315481 - 2²² = 45121177 is a prime.

It is a super-2 number, since 2×49315481² = 4864033332522722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49315489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24657740 + 24657741.

It is an arithmetic number, because the mean of its divisors is an integer number (24657741).

Almost surely, 2^49315481 is an apocalyptic number.

It is an amenable number.

49315481 is a deficient number, since it is larger than the sum of its proper divisors (1).

49315481 is an equidigital number, since it uses as much as digits as its factorization.

49315481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 49315481 is about 7022.4982022070. The cubic root of 49315481 is about 366.7142258787.

The spelling of 49315481 in words is "forty-nine million, three hundred fifteen thousand, four hundred eighty-one".