7542497 has 4 divisors (see below), whose sum is σ = 7565616. Its totient is φ = 7519380.

The previous prime is 7542481. The next prime is 7542533. The reversal of 7542497 is 7942457.

7542497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7542497 - 2⁴ = 7542481 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 7542497.

It is not an unprimeable number, because it can be changed into a prime (7542097) 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, 11063 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (1891404).

Almost surely, 2^7542497 is an apocalyptic number.

It is an amenable number.

7542497 is a deficient number, since it is larger than the sum of its proper divisors (23119).

7542497 is a wasteful number, since it uses less digits than its factorization.

7542497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23118.

The product of its digits is 70560, while the sum is 38.

The square root of 7542497 is about 2746.3606827946. The cubic root of 7542497 is about 196.1123973542.

The spelling of 7542497 in words is "seven million, five hundred forty-two thousand, four hundred ninety-seven".