1372225025 has 12 divisors (see below), whose sum is σ = 1704008124. Its totient is φ = 1096200000.

The previous prime is 1372225007. The next prime is 1372225027. The reversal of 1372225025 is 5205222731.

It can be written as a sum of positive squares in 6 ways, for example, as 42601729 + 1329623296 = 6527^2 + 36464^2 .

It is not a de Polignac number, because 1372225025 - 2⁸ = 1372224769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372225027) 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, 21626 + ... + 56675.

It is an arithmetic number, because the mean of its divisors is an integer number (142000677).

Almost surely, 2^1372225025 is an apocalyptic number.

It is an amenable number.

1372225025 is a deficient number, since it is larger than the sum of its proper divisors (331783099).

1372225025 is an equidigital number, since it uses as much as digits as its factorization.

1372225025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79012 (or 79007 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1372225025 is about 37043.5557823490. Note that the first 3 decimals coincide. The cubic root of 1372225025 is about 1111.2414821932.

Adding to 1372225025 its reverse (5205222731), we get a palindrome (6577447756).

The spelling of 1372225025 in words is "one billion, three hundred seventy-two million, two hundred twenty-five thousand, twenty-five".