1345191325 has 6 divisors (see below), whose sum is σ = 1668037274. Its totient is φ = 1076153040.

The previous prime is 1345191319. The next prime is 1345191329. The reversal of 1345191325 is 5231915431.

It can be written as a sum of positive squares in 3 ways, for example, as 16370116 + 1328821209 = 4046^2 + 36453^2 .

It is not a de Polignac number, because 1345191325 - 2¹⁵ = 1345158557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345191329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26903802 + ... + 26903851.

Almost surely, 2^1345191325 is an apocalyptic number.

It is an amenable number.

1345191325 is a deficient number, since it is larger than the sum of its proper divisors (322845949).

1345191325 is an equidigital number, since it uses as much as digits as its factorization.

1345191325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53807663 (or 53807658 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 1345191325 is about 36676.8499874239. The cubic root of 1345191325 is about 1103.8956432397.

The spelling of 1345191325 in words is "one billion, three hundred forty-five million, one hundred ninety-one thousand, three hundred twenty-five".