902858225 has 6 divisors (see below), whose sum is σ = 1119544230. Its totient is φ = 722286560.

The previous prime is 902858221. The next prime is 902858251. The reversal of 902858225 is 522858209.

902858225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 123387664 + 779470561 = 11108^2 + 27919^2 .

It is not a de Polignac number, because 902858225 - 2² = 902858221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (902858221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18057140 + ... + 18057189.

It is an arithmetic number, because the mean of its divisors is an integer number (186590705).

Almost surely, 2^902858225 is an apocalyptic number.

It is an amenable number.

902858225 is a deficient number, since it is larger than the sum of its proper divisors (216686005).

902858225 is a wasteful number, since it uses less digits than its factorization.

902858225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36114339 (or 36114334 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 902858225 is about 30047.5993217428. The cubic root of 902858225 is about 966.5103733971.

The spelling of 902858225 in words is "nine hundred two million, eight hundred fifty-eight thousand, two hundred twenty-five".