1325662077 has 4 divisors (see below), whose sum is σ = 1767549440. Its totient is φ = 883774716.

The previous prime is 1325662027. The next prime is 1325662103. The reversal of 1325662077 is 7702665231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1325662077 - 2¹⁴ = 1325645693 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 (1325662027) 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, 220943677 + ... + 220943682.

It is an arithmetic number, because the mean of its divisors is an integer number (441887360).

Almost surely, 2^1325662077 is an apocalyptic number.

It is an amenable number.

1325662077 is a deficient number, since it is larger than the sum of its proper divisors (441887363).

1325662077 is an equidigital number, since it uses as much as digits as its factorization.

1325662077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441887362.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1325662077 is about 36409.6426376310. The cubic root of 1325662077 is about 1098.5275276075.

The spelling of 1325662077 in words is "one billion, three hundred twenty-five million, six hundred sixty-two thousand, seventy-seven".