1325500025 has 18 divisors (see below), whose sum is σ = 1689286410. Its totient is φ = 1031713920.

The previous prime is 1325500009. The next prime is 1325500031. The reversal of 1325500025 is 5200055231.

It can be written as a sum of positive squares in 9 ways, for example, as 177848896 + 1147651129 = 13336^2 + 33877^2 .

It is not a de Polignac number, because 1325500025 - 2⁴ = 1325500009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14861 + ... + 53589.

It is an arithmetic number, because the mean of its divisors is an integer number (93849245).

Almost surely, 2^1325500025 is an apocalyptic number.

It is an amenable number.

1325500025 is a deficient number, since it is larger than the sum of its proper divisors (363786385).

1325500025 is an equidigital number, since it uses as much as digits as its factorization.

1325500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38813 (or 38771 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1325500025 is about 36407.4171701317. The cubic root of 1325500025 is about 1098.4827636011.

Adding to 1325500025 its reverse (5200055231), we get a palindrome (6525555256).

The spelling of 1325500025 in words is "one billion, three hundred twenty-five million, five hundred thousand, twenty-five".