1958313325 has 6 divisors (see below), whose sum is σ = 2428308554. Its totient is φ = 1566650640.

The previous prime is 1958313241. The next prime is 1958313347. The reversal of 1958313325 is 5233138591.

It can be written as a sum of positive squares in 3 ways, for example, as 560600329 + 1397712996 = 23677^2 + 37386^2 .

It is not a de Polignac number, because 1958313325 - 2¹⁵ = 1958280557 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 39166242 + ... + 39166291.

Almost surely, 2^1958313325 is an apocalyptic number.

It is an amenable number.

1958313325 is a deficient number, since it is larger than the sum of its proper divisors (469995229).

1958313325 is an equidigital number, since it uses as much as digits as its factorization.

1958313325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78332543 (or 78332538 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 1958313325 is about 44252.8340900331. The cubic root of 1958313325 is about 1251.1058640300.

The spelling of 1958313325 in words is "one billion, nine hundred fifty-eight million, three hundred thirteen thousand, three hundred twenty-five".