1565042413 has 8 divisors (see below), whose sum is σ = 1735308576. Its totient is φ = 1399441200.

The previous prime is 1565042393. The next prime is 1565042417. The reversal of 1565042413 is 3142405651.

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 1565042413 - 2²¹ = 1562945261 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 (1565042417) 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 7 ways as a sum of consecutive naturals, for example, 1165531 + ... + 1166872.

It is an arithmetic number, because the mean of its divisors is an integer number (216913572).

Almost surely, 2^1565042413 is an apocalyptic number.

It is an amenable number.

1565042413 is a deficient number, since it is larger than the sum of its proper divisors (170266163).

1565042413 is a wasteful number, since it uses less digits than its factorization.

1565042413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332475.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1565042413 is about 39560.6169441277. The cubic root of 1565042413 is about 1161.0262452574.

The spelling of 1565042413 in words is "one billion, five hundred sixty-five million, forty-two thousand, four hundred thirteen".