97512259 has 4 divisors (see below), whose sum is σ = 105013216. Its totient is φ = 90011304.

The previous prime is 97512223. The next prime is 97512281. The reversal of 97512259 is 95221579.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97512259 - 2¹¹ = 97510211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97512659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750459 + ... + 3750484.

It is an arithmetic number, because the mean of its divisors is an integer number (26253304).

Almost surely, 2^97512259 is an apocalyptic number.

97512259 is a deficient number, since it is larger than the sum of its proper divisors (7500957).

97512259 is a wasteful number, since it uses less digits than its factorization.

97512259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500956.

The product of its digits is 56700, while the sum is 40.

The square root of 97512259 is about 9874.8295681495. The cubic root of 97512259 is about 460.2774932501.

The spelling of 97512259 in words is "ninety-seven million, five hundred twelve thousand, two hundred fifty-nine".