1325174399 has 4 divisors (see below), whose sum is σ = 1394920440. Its totient is φ = 1255428360.

The previous prime is 1325174369. The next prime is 1325174419. The reversal of 1325174399 is 9934715231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325174399 is a prime.

It is a super-2 number, since 2×1325174399² = 3512174375530022402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325174359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34872992 + ... + 34873029.

It is an arithmetic number, because the mean of its divisors is an integer number (348730110).

Almost surely, 2^1325174399 is an apocalyptic number.

1325174399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1325174399 is a deficient number, since it is larger than the sum of its proper divisors (69746041).

1325174399 is an equidigital number, since it uses as much as digits as its factorization.

1325174399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69746040.

The product of its digits is 204120, while the sum is 44.

The square root of 1325174399 is about 36402.9449220801. The cubic root of 1325174399 is about 1098.3928041301.

The spelling of 1325174399 in words is "one billion, three hundred twenty-five million, one hundred seventy-four thousand, three hundred ninety-nine".