7502158225 has 27 divisors (see below), whose sum is σ = 9891788977. Its totient is φ = 5643140480.

The previous prime is 7502158211. The next prime is 7502158241. The reversal of 7502158225 is 5228512057.

The square root of 7502158225 is 86615.

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 175483009 + 7326675216 = 13247^2 + 85596^2 .

It is not a de Polignac number, because 7502158225 - 2²³ = 7493769617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7361766 + ... + 7362784.

Almost surely, 2^7502158225 is an apocalyptic number.

7502158225 is the 86615-th square number.

7502158225 is the 43308-th centered octagonal number.

It is an amenable number.

7502158225 is a deficient number, since it is larger than the sum of its proper divisors (2389630752).

7502158225 is an equidigital number, since it uses as much as digits as its factorization.

7502158225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The cubic root of 7502158225 is about 1957.6215618042.

The spelling of 7502158225 in words is "seven billion, five hundred two million, one hundred fifty-eight thousand, two hundred twenty-five".