97531067 has 4 divisors (see below), whose sum is σ = 98904816. Its totient is φ = 96157320.

The previous prime is 97531043. The next prime is 97531081. The reversal of 97531067 is 76013579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76013579 = 17 ⋅4471387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97531067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97531067.

It is not an unprimeable number, because it can be changed into a prime (97531037) 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, 686768 + ... + 686909.

It is an arithmetic number, because the mean of its divisors is an integer number (24726204).

Almost surely, 2^97531067 is an apocalyptic number.

97531067 is a deficient number, since it is larger than the sum of its proper divisors (1373749).

97531067 is a wasteful number, since it uses less digits than its factorization.

97531067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373748.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 97531067 is about 9875.7818424670. The cubic root of 97531067 is about 460.3070838632.

The spelling of 97531067 in words is "ninety-seven million, five hundred thirty-one thousand, sixty-seven".