91052512 has 12 divisors (see below), whose sum is σ = 179259696. Its totient is φ = 45526240.

The previous prime is 91052501. The next prime is 91052519. The reversal of 91052512 is 21525019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91052519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422664 + ... + 1422727.

It is an arithmetic number, because the mean of its divisors is an integer number (14938308).

Almost surely, 2^91052512 is an apocalyptic number.

It is an amenable number.

91052512 is a deficient number, since it is larger than the sum of its proper divisors (88207184).

91052512 is a wasteful number, since it uses less digits than its factorization.

91052512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845401 (or 2845393 counting only the distinct ones).

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

The square root of 91052512 is about 9542.1439938831. The cubic root of 91052512 is about 449.8806465360.

The spelling of 91052512 in words is "ninety-one million, fifty-two thousand, five hundred twelve".