756525025 has 9 divisors (see below), whose sum is σ = 938261593. Its totient is φ = 605110000.

The previous prime is 756524981. The next prime is 756525037. The reversal of 756525025 is 520525657.

It is a happy number.

The square root of 756525025 is 27505.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 179372449 + 577152576 = 13393^2 + 24024^2 .

It is not a de Polignac number, because 756525025 - 2¹³ = 756516833 is a prime.

It is a super-2 number, since 2×756525025² = 1144660226902501250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 134775 + ... + 140275.

Almost surely, 2^756525025 is an apocalyptic number.

756525025 is the 27505-th square number.

756525025 is the 13753-rd centered octagonal number.

It is an amenable number.

756525025 is a deficient number, since it is larger than the sum of its proper divisors (181736568).

756525025 is an frugal number, since it uses more digits than its factorization.

756525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The cubic root of 756525025 is about 911.1875270392.

The spelling of 756525025 in words is "seven hundred fifty-six million, five hundred twenty-five thousand, twenty-five".