97252609 has 4 divisors (see below), whose sum is σ = 97314516. Its totient is φ = 97190704.

The previous prime is 97252553. The next prime is 97252633. The reversal of 97252609 is 90625279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90625279 = 853 ⋅106243.

It can be written as a sum of positive squares in 2 ways, for example, as 46444225 + 50808384 = 6815^2 + 7128^2 .

It is a cyclic number.

It is not a de Polignac number, because 97252609 - 2¹¹ = 97250561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97252679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28534 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (24328629).

Almost surely, 2^97252609 is an apocalyptic number.

It is an amenable number.

97252609 is a deficient number, since it is larger than the sum of its proper divisors (61907).

97252609 is a wasteful number, since it uses less digits than its factorization.

97252609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61906.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 97252609 is about 9861.6737423218. The cubic root of 97252609 is about 459.8685966825.

The spelling of 97252609 in words is "ninety-seven million, two hundred fifty-two thousand, six hundred nine".