97542500 has 60 divisors (see below), whose sum is σ = 232762992. Its totient is φ = 35460000.

The previous prime is 97542499. The next prime is 97542541. The reversal of 97542500 is 524579.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25727 + ... + 29273.

Almost surely, 2^97542500 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 97542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116381496).

97542500 is an abundant number, since it is smaller than the sum of its proper divisors (135220492).

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

97542500 is a wasteful number, since it uses less digits than its factorization.

97542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 97542500 is about 9876.3606657513. The cubic root of 97542500 is about 460.3250695349.

The spelling of 97542500 in words is "ninety-seven million, five hundred forty-two thousand, five hundred".