1325411777 has 12 divisors (see below), whose sum is σ = 1391512320. Its totient is φ = 1260064080.

The previous prime is 1325411771. The next prime is 1325411809. The reversal of 1325411777 is 7771145231.

It is not a de Polignac number, because 1325411777 - 2⁴ = 1325411761 is a prime.

It is a super-2 number, since 2×1325411777² = 3513432757220595458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325411777.

It is not an unprimeable number, because it can be changed into a prime (1325411771) 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, 752624 + ... + 754382.

It is an arithmetic number, because the mean of its divisors is an integer number (115959360).

Almost surely, 2^1325411777 is an apocalyptic number.

It is an amenable number.

1325411777 is a deficient number, since it is larger than the sum of its proper divisors (66100543).

1325411777 is an equidigital number, since it uses as much as digits as its factorization.

1325411777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 1963 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 1325411777 is about 36406.2051991141. The cubic root of 1325411777 is about 1098.4583851133.

The spelling of 1325411777 in words is "one billion, three hundred twenty-five million, four hundred eleven thousand, seven hundred seventy-seven".