93157489 has 2 divisors, whose sum is σ = 93157490. Its totient is φ = 93157488.

The previous prime is 93157481. The next prime is 93157499. The reversal of 93157489 is 98475139.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 613089 = 9620^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 93157489 - 2³ = 93157481 is a prime.

It is not a weakly prime, because it can be changed into another prime (93157481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46578744 + 46578745.

It is an arithmetic number, because the mean of its divisors is an integer number (46578745).

Almost surely, 2^93157489 is an apocalyptic number.

It is an amenable number.

93157489 is a deficient number, since it is larger than the sum of its proper divisors (1).

93157489 is an equidigital number, since it uses as much as digits as its factorization.

93157489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 93157489 is about 9651.8127312956. The cubic root of 93157489 is about 453.3210902956.

The spelling of 93157489 in words is "ninety-three million, one hundred fifty-seven thousand, four hundred eighty-nine".