652523615 has 4 divisors (see below), whose sum is σ = 783028344. Its totient is φ = 522018888.

The previous prime is 652523603. The next prime is 652523617. The reversal of 652523615 is 516325256.

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 652523615 - 2⁶ = 652523551 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 (652523617) 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, 65252357 + ... + 65252366.

It is an arithmetic number, because the mean of its divisors is an integer number (195757086).

Almost surely, 2^652523615 is an apocalyptic number.

652523615 is a deficient number, since it is larger than the sum of its proper divisors (130504729).

652523615 is a wasteful number, since it uses less digits than its factorization.

652523615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130504728.

The product of its digits is 54000, while the sum is 35.

The square root of 652523615 is about 25544.5417848902. The cubic root of 652523615 is about 867.3587109713.

The spelling of 652523615 in words is "six hundred fifty-two million, five hundred twenty-three thousand, six hundred fifteen".