91501252 has 12 divisors (see below), whose sum is σ = 160752060. Its totient is φ = 45572096.

The previous prime is 91501247. The next prime is 91501303. The reversal of 91501252 is 25210519.

It can be written as a sum of positive squares in 2 ways, for example, as 76632516 + 14868736 = 8754^2 + 3856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43477 + ... + 45532.

It is an arithmetic number, because the mean of its divisors is an integer number (13396005).

Almost surely, 2^91501252 is an apocalyptic number.

It is an amenable number.

91501252 is a deficient number, since it is larger than the sum of its proper divisors (69250808).

91501252 is a wasteful number, since it uses less digits than its factorization.

91501252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89270 (or 89268 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 91501252 is about 9565.6286777190. The cubic root of 91501252 is about 450.6184943880.

The spelling of 91501252 in words is "ninety-one million, five hundred one thousand, two hundred fifty-two".