9270801225 has 135 divisors (see below), whose sum is σ = 19520390279. Its totient is φ = 4205728800.

The previous prime is 9270801217. The next prime is 9270801251. The reversal of 9270801225 is 5221080729.

The square root of 9270801225 is 96285.

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., 3337488441 + 5933312784 = 57771^2 + 77028^2 .

It is not a de Polignac number, because 9270801225 - 2³ = 9270801217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9270801225.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 70769410 + ... + 70769540.

Almost surely, 2^9270801225 is an apocalyptic number.

9270801225 is the 96285-th square number.

9270801225 is the 48143-rd centered octagonal number.

It is an amenable number.

9270801225 is an abundant number, since it is smaller than the sum of its proper divisors (10249589054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9270801225 is an equidigital number, since it uses as much as digits as its factorization.

9270801225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The cubic root of 9270801225 is about 2100.7405721374.

Multiplying 9270801225 by its sum of digits (36), we get a square (333748844100 = 577710²).

The spelling of 9270801225 in words is "nine billion, two hundred seventy million, eight hundred one thousand, two hundred twenty-five".