97425591 has 8 divisors (see below), whose sum is σ = 134091264. Its totient is φ = 62855160.

The previous prime is 97425569. The next prime is 97425599. The reversal of 97425591 is 19552479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97425591 - 2⁶ = 97425527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97425599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523701 + ... + 523886.

It is an arithmetic number, because the mean of its divisors is an integer number (16761408).

Almost surely, 2^97425591 is an apocalyptic number.

97425591 is a deficient number, since it is larger than the sum of its proper divisors (36665673).

97425591 is a wasteful number, since it uses less digits than its factorization.

97425591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047621.

The product of its digits is 113400, while the sum is 42.

The square root of 97425591 is about 9870.4402637370. The cubic root of 97425591 is about 460.1410893614.

It can be divided in two parts, 974 and 25591, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 97425591 in words is "ninety-seven million, four hundred twenty-five thousand, five hundred ninety-one".