7525637 has 4 divisors (see below), whose sum is σ = 8600736. Its totient is φ = 6450540.

The previous prime is 7525633. The next prime is 7525657. The reversal of 7525637 is 7365257.

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 7525637 - 2² = 7525633 is a prime.

It is a d-powerful number, because it can be written as 7 + 5² + 2¹⁶ + 5⁶ + 6⁸ + 3³ + 7⁸ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7525597 and 7525606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7525633) 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, 537539 + ... + 537552.

It is an arithmetic number, because the mean of its divisors is an integer number (2150184).

Almost surely, 2^7525637 is an apocalyptic number.

It is an amenable number.

7525637 is a deficient number, since it is larger than the sum of its proper divisors (1075099).

7525637 is a wasteful number, since it uses less digits than its factorization.

7525637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075098.

The product of its digits is 44100, while the sum is 35.

The square root of 7525637 is about 2743.2894488187. The cubic root of 7525637 is about 195.9661627690.

The spelling of 7525637 in words is "seven million, five hundred twenty-five thousand, six hundred thirty-seven".