93612521 has 2 divisors, whose sum is σ = 93612522. Its totient is φ = 93612520.

The previous prime is 93612509. The next prime is 93612539. The reversal of 93612521 is 12521639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 27678121 = 8120^2 + 5261^2 .

It is a cyclic number.

It is not a de Polignac number, because 93612521 - 2⁶ = 93612457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93612821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46806260 + 46806261.

It is an arithmetic number, because the mean of its divisors is an integer number (46806261).

Almost surely, 2^93612521 is an apocalyptic number.

It is an amenable number.

93612521 is a deficient number, since it is larger than the sum of its proper divisors (1).

93612521 is an equidigital number, since it uses as much as digits as its factorization.

93612521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 93612521 is about 9675.3563758654. The cubic root of 93612521 is about 454.0579809768.

The spelling of 93612521 in words is "ninety-three million, six hundred twelve thousand, five hundred twenty-one".