1532570225 has 6 divisors (see below), whose sum is σ = 1900387110. Its totient is φ = 1226056160.

The previous prime is 1532570209. The next prime is 1532570231. The reversal of 1532570225 is 5220752351.

It can be written as a sum of positive squares in 3 ways, for example, as 2274064 + 1530296161 = 1508^2 + 39119^2 .

It is not a de Polignac number, because 1532570225 - 2⁴ = 1532570209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1532570191 and 1532570200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30651380 + ... + 30651429.

It is an arithmetic number, because the mean of its divisors is an integer number (316731185).

Almost surely, 2^1532570225 is an apocalyptic number.

It is an amenable number.

1532570225 is a deficient number, since it is larger than the sum of its proper divisors (367816885).

1532570225 is an equidigital number, since it uses as much as digits as its factorization.

1532570225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61302819 (or 61302814 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 1532570225 is about 39148.0551879656. The cubic root of 1532570225 is about 1152.9402330019.

The spelling of 1532570225 in words is "one billion, five hundred thirty-two million, five hundred seventy thousand, two hundred twenty-five".