1565382413 has 8 divisors (see below), whose sum is σ = 1802068032. Its totient is φ = 1331961696.

The previous prime is 1565382397. The next prime is 1565382433. The reversal of 1565382413 is 3142835651.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1565382413 - 2⁴ = 1565382397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1565382433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815195 + ... + 817112.

It is an arithmetic number, because the mean of its divisors is an integer number (225258504).

Almost surely, 2^1565382413 is an apocalyptic number.

It is an amenable number.

1565382413 is a deficient number, since it is larger than the sum of its proper divisors (236685619).

1565382413 is a wasteful number, since it uses less digits than its factorization.

1565382413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632451.

The product of its digits is 86400, while the sum is 38.

The square root of 1565382413 is about 39564.9139137191. The cubic root of 1565382413 is about 1161.1103154691.

The spelling of 1565382413 in words is "one billion, five hundred sixty-five million, three hundred eighty-two thousand, four hundred thirteen".