48900581 has 2 divisors, whose sum is σ = 48900582. Its totient is φ = 48900580.

The previous prime is 48900571. The next prime is 48900613. The reversal of 48900581 is 18500984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 1359556 = 6895^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 48900581 - 2¹⁸ = 48638437 is a prime.

It is a super-2 number, since 2×48900581² = 4782533644275122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48900521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24450290 + 24450291.

It is an arithmetic number, because the mean of its divisors is an integer number (24450291).

Almost surely, 2^48900581 is an apocalyptic number.

It is an amenable number.

48900581 is a deficient number, since it is larger than the sum of its proper divisors (1).

48900581 is an equidigital number, since it uses as much as digits as its factorization.

48900581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 48900581 is about 6992.8950371073. The cubic root of 48900581 is about 365.6829173695.

The spelling of 48900581 in words is "forty-eight million, nine hundred thousand, five hundred eighty-one".