1325019377 has 4 divisors (see below), whose sum is σ = 1445475696. Its totient is φ = 1204563060.

The previous prime is 1325019361. The next prime is 1325019379. The reversal of 1325019377 is 7739105231.

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 a cyclic number.

It is not a de Polignac number, because 1325019377 - 2⁴ = 1325019361 is a prime.

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 1325019377.

It is not an unprimeable number, because it can be changed into a prime (1325019379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60228143 + ... + 60228164.

It is an arithmetic number, because the mean of its divisors is an integer number (361368924).

Almost surely, 2^1325019377 is an apocalyptic number.

It is an amenable number.

1325019377 is a deficient number, since it is larger than the sum of its proper divisors (120456319).

1325019377 is a wasteful number, since it uses less digits than its factorization.

1325019377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120456318.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1325019377 is about 36400.8156089943. The cubic root of 1325019377 is about 1098.3499716069.

The spelling of 1325019377 in words is "one billion, three hundred twenty-five million, nineteen thousand, three hundred seventy-seven".