7522501 has 4 divisors (see below), whose sum is σ = 8597152. Its totient is φ = 6447852.

The previous prime is 7522469. The next prime is 7522519. The reversal of 7522501 is 1052257.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1052257 = 211 ⋅4987.

It is a cyclic number.

It is not a de Polignac number, because 7522501 - 2⁵ = 7522469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537315 + ... + 537328.

It is an arithmetic number, because the mean of its divisors is an integer number (2149288).

Almost surely, 2^7522501 is an apocalyptic number.

It is an amenable number.

7522501 is a deficient number, since it is larger than the sum of its proper divisors (1074651).

7522501 is a wasteful number, since it uses less digits than its factorization.

7522501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074650.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7522501 is about 2742.7178126814. The cubic root of 7522501 is about 195.9389387051.

Adding to 7522501 its reverse (1052257), we get a palindrome (8574758).

The spelling of 7522501 in words is "seven million, five hundred twenty-two thousand, five hundred one".