93425581 has 2 divisors, whose sum is σ = 93425582. Its totient is φ = 93425580.

The previous prime is 93425567. The next prime is 93425611. The reversal of 93425581 is 18552439.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91202500 + 2223081 = 9550^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 93425581 - 2⁹ = 93425069 is a prime.

It is a super-2 number, since 2×93425581² = 17456678370375122, 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 93425581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93425551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46712790 + 46712791.

It is an arithmetic number, because the mean of its divisors is an integer number (46712791).

Almost surely, 2^93425581 is an apocalyptic number.

It is an amenable number.

93425581 is a deficient number, since it is larger than the sum of its proper divisors (1).

93425581 is an equidigital number, since it uses as much as digits as its factorization.

93425581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 93425581 is about 9665.6909220190. The cubic root of 93425581 is about 453.7555350988.

The spelling of 93425581 in words is "ninety-three million, four hundred twenty-five thousand, five hundred eighty-one".