7525505 has 8 divisors (see below), whose sum is σ = 9725352. Its totient is φ = 5557248.

The previous prime is 7525493. The next prime is 7525513. The reversal of 7525505 is 5055257.

It can be written as a sum of positive squares in 4 ways, for example, as 83521 + 7441984 = 289^2 + 2728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7525505 - 2⁸ = 7525249 is a prime.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57824 + ... + 57953.

It is an arithmetic number, because the mean of its divisors is an integer number (1215669).

Almost surely, 2^7525505 is an apocalyptic number.

It is an amenable number.

7525505 is a deficient number, since it is larger than the sum of its proper divisors (2199847).

7525505 is a wasteful number, since it uses less digits than its factorization.

7525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115795.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 7525505 is about 2743.2653900051. The cubic root of 7525505 is about 195.9650170106.

The spelling of 7525505 in words is "seven million, five hundred twenty-five thousand, five hundred five".