652409942 has 8 divisors (see below), whose sum is σ = 1010183232. Its totient is φ = 315682200.

The previous prime is 652409941. The next prime is 652409957. The reversal of 652409942 is 249904256.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 652409942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652409941) 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, 5261309 + ... + 5261432.

It is an arithmetic number, because the mean of its divisors is an integer number (126272904).

Almost surely, 2^652409942 is an apocalyptic number.

652409942 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

652409942 is a deficient number, since it is larger than the sum of its proper divisors (357773290).

652409942 is a wasteful number, since it uses less digits than its factorization.

652409942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522774.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 652409942 is about 25542.3166921092. The cubic root of 652409942 is about 867.3083419168.

The spelling of 652409942 in words is "six hundred fifty-two million, four hundred nine thousand, nine hundred forty-two".