97457569 has 8 divisors (see below), whose sum is σ = 106437312. Its totient is φ = 88497840.

The previous prime is 97457539. The next prime is 97457573. The reversal of 97457569 is 96575479.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97457569 - 2¹⁵ = 97424801 is a prime.

It is a super-2 number, since 2×97457569² = 18995955510779522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97457539) 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, 6307 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (13304664).

Almost surely, 2^97457569 is an apocalyptic number.

It is an amenable number.

97457569 is a deficient number, since it is larger than the sum of its proper divisors (8979743).

97457569 is a wasteful number, since it uses less digits than its factorization.

97457569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its digits is 2381400, while the sum is 52.

The square root of 97457569 is about 9872.0600180509. The cubic root of 97457569 is about 460.1914278881.

The spelling of 97457569 in words is "ninety-seven million, four hundred fifty-seven thousand, five hundred sixty-nine".