7522957 has 4 divisors (see below), whose sum is σ = 8101660. Its totient is φ = 6944256.

The previous prime is 7522927. The next prime is 7522973. The reversal of 7522957 is 7592257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7592257 = 41 ⋅185177.

It can be written as a sum of positive squares in 2 ways, for example, as 4901796 + 2621161 = 2214^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 7522957 - 2⁷ = 7522829 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522927) 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, 289332 + ... + 289357.

It is an arithmetic number, because the mean of its divisors is an integer number (2025415).

Almost surely, 2^7522957 is an apocalyptic number.

It is an amenable number.

7522957 is a deficient number, since it is larger than the sum of its proper divisors (578703).

7522957 is a wasteful number, since it uses less digits than its factorization.

7522957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578702.

The product of its digits is 44100, while the sum is 37.

The square root of 7522957 is about 2742.8009406444. The cubic root of 7522957 is about 195.9428977762.

It can be divided in two parts, 75 and 22957, that added together give a palindrome (23032).

The spelling of 7522957 in words is "seven million, five hundred twenty-two thousand, nine hundred fifty-seven".