97171452 has 72 divisors (see below), whose sum is σ = 284723712. Its totient is φ = 27367200.

The previous prime is 97171433. The next prime is 97171457. The reversal of 97171452 is 25417179.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97171457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15177 + ... + 20607.

It is an arithmetic number, because the mean of its divisors is an integer number (3954496).

Almost surely, 2^97171452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97171452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142361856).

97171452 is an abundant number, since it is smaller than the sum of its proper divisors (187552260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97171452 is a wasteful number, since it uses less digits than its factorization.

97171452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519 (or 5514 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 97171452 is about 9857.5581154767. The cubic root of 97171452 is about 459.7406414448.

The spelling of 97171452 in words is "ninety-seven million, one hundred seventy-one thousand, four hundred fifty-two".