8540497 has 4 divisors (see below), whose sum is σ = 9760576. Its totient is φ = 7320420.

The previous prime is 8540479. The next prime is 8540501. The reversal of 8540497 is 7940458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8540497 - 2¹⁵ = 8507729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8546497) 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, 610029 + ... + 610042.

It is an arithmetic number, because the mean of its divisors is an integer number (2440144).

Almost surely, 2^8540497 is an apocalyptic number.

It is an amenable number.

8540497 is a deficient number, since it is larger than the sum of its proper divisors (1220079).

8540497 is a wasteful number, since it uses less digits than its factorization.

8540497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220078.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8540497 is about 2922.4128729528. The cubic root of 8540497 is about 204.4063491581.

The spelling of 8540497 in words is "eight million, five hundred forty thousand, four hundred ninety-seven".