97511248 has 20 divisors (see below), whose sum is σ = 191053620. Its totient is φ = 48207104.

The previous prime is 97511231. The next prime is 97511263. The reversal of 97511248 is 84211579.

It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 54582544 = 6552^2 + 7388^2 .

It is a congruent number.

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, 32815 + ... + 35662.

It is an arithmetic number, because the mean of its divisors is an integer number (9552681).

Almost surely, 2^97511248 is an apocalyptic number.

It is an amenable number.

97511248 is a deficient number, since it is larger than the sum of its proper divisors (93542372).

97511248 is a wasteful number, since it uses less digits than its factorization.

97511248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68574 (or 68568 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 97511248 is about 9874.7783772599. The cubic root of 97511248 is about 460.2759025368.

The spelling of 97511248 in words is "ninety-seven million, five hundred eleven thousand, two hundred forty-eight".