1352918225 has 12 divisors (see below), whose sum is σ = 1776302604. Its totient is φ = 1018667520.

The previous prime is 1352918221. The next prime is 1352918249. The reversal of 1352918225 is 5228192531.

It can be written as a sum of positive squares in 6 ways, for example, as 135675904 + 1217242321 = 11648^2 + 34889^2 .

It is not a de Polignac number, because 1352918225 - 2² = 1352918221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352918221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591244 + ... + 1592093.

It is an arithmetic number, because the mean of its divisors is an integer number (148025217).

Almost surely, 2^1352918225 is an apocalyptic number.

It is an amenable number.

1352918225 is a deficient number, since it is larger than the sum of its proper divisors (423384379).

1352918225 is a wasteful number, since it uses less digits than its factorization.

1352918225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183364 (or 3183359 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 1352918225 is about 36782.0367163103. The cubic root of 1352918225 is about 1106.0052344516.

The spelling of 1352918225 in words is "one billion, three hundred fifty-two million, nine hundred eighteen thousand, two hundred twenty-five".