1652247879 has 4 divisors (see below), whose sum is σ = 2202997176. Its totient is φ = 1101498584.

The previous prime is 1652247853. The next prime is 1652247893. The reversal of 1652247879 is 9787422561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1652247879 - 2²⁹ = 1115376967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652247979) 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, 275374644 + ... + 275374649.

It is an arithmetic number, because the mean of its divisors is an integer number (550749294).

Almost surely, 2^1652247879 is an apocalyptic number.

1652247879 is a deficient number, since it is larger than the sum of its proper divisors (550749297).

1652247879 is an equidigital number, since it uses as much as digits as its factorization.

1652247879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550749296.

The product of its digits is 1693440, while the sum is 51.

The square root of 1652247879 is about 40647.8520834742. The cubic root of 1652247879 is about 1182.2021214358.

The spelling of 1652247879 in words is "one billion, six hundred fifty-two million, two hundred forty-seven thousand, eight hundred seventy-nine".