1319553001 has 4 divisors (see below), whose sum is σ = 1421057092. Its totient is φ = 1218048912.

The previous prime is 1319552999. The next prime is 1319553023. The reversal of 1319553001 is 1003559131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81920601 + 1237632400 = 9051^2 + 35180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319553001 - 2¹ = 1319552999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1319553701) 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, 50752026 + ... + 50752051.

It is an arithmetic number, because the mean of its divisors is an integer number (355264273).

Almost surely, 2^1319553001 is an apocalyptic number.

It is an amenable number.

1319553001 is a deficient number, since it is larger than the sum of its proper divisors (101504091).

1319553001 is a wasteful number, since it uses less digits than its factorization.

1319553001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101504090.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 1319553001 is about 36325.6521070166. The cubic root of 1319553001 is about 1096.8374731208.

The spelling of 1319553001 in words is "one billion, three hundred nineteen million, five hundred fifty-three thousand, one".