902756518225 has 9 divisors (see below), whose sum is σ = 1119423973467. Its totient is φ = 722201414040.

The previous prime is 902756518199. The next prime is 902756518247. The reversal of 902756518225 is 522815657209.

The square root of 902756518225 is 950135.

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

It can be written as a sum of positive squares in only one way, i.e., 324992346561 + 577764171664 = 570081^2 + 760108^2 .

It is not a de Polignac number, because 902756518225 - 2²⁹ = 902219647313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4655662 + ... + 4845688.

Almost surely, 2^902756518225 is an apocalyptic number.

902756518225 is the 950135-th square number.

902756518225 is the 475068-th centered octagonal number.

It is an amenable number.

902756518225 is a deficient number, since it is larger than the sum of its proper divisors (216667455242).

902756518225 is an frugal number, since it uses more digits than its factorization.

902756518225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380064 (or 190032 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 902756518225 in words is "nine hundred two billion, seven hundred fifty-six million, five hundred eighteen thousand, two hundred twenty-five".