652842405 has 12 divisors (see below), whose sum is σ = 1131593580. Its totient is φ = 348182592.

The previous prime is 652842397. The next prime is 652842427. The reversal of 652842405 is 504248256.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 497914596 + 154927809 = 22314^2 + 12447^2 .

It is not a de Polignac number, because 652842405 - 2³ = 652842397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652842405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7253760 + ... + 7253849.

It is an arithmetic number, because the mean of its divisors is an integer number (94299465).

Almost surely, 2^652842405 is an apocalyptic number.

It is an amenable number.

652842405 is a deficient number, since it is larger than the sum of its proper divisors (478751175).

652842405 is a wasteful number, since it uses less digits than its factorization.

652842405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507620 (or 14507617 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 652842405 is about 25550.7809078314. The cubic root of 652842405 is about 867.4999371586.

The spelling of 652842405 in words is "six hundred fifty-two million, eight hundred forty-two thousand, four hundred five".