652451615 has 4 divisors (see below), whose sum is σ = 782941944. Its totient is φ = 521961288.

The previous prime is 652451609. The next prime is 652451627. The reversal of 652451615 is 516154256.

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 652451615 - 2¹⁶ = 652386079 is a prime.

It is a super-2 number, since 2×652451615² = 851386219832216450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65245157 + ... + 65245166.

It is an arithmetic number, because the mean of its divisors is an integer number (195735486).

Almost surely, 2^652451615 is an apocalyptic number.

652451615 is a deficient number, since it is larger than the sum of its proper divisors (130490329).

652451615 is a wasteful number, since it uses less digits than its factorization.

652451615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130490328.

The product of its digits is 36000, while the sum is 35.

The square root of 652451615 is about 25543.1324429875. The cubic root of 652451615 is about 867.3268081033.

The spelling of 652451615 in words is "six hundred fifty-two million, four hundred fifty-one thousand, six hundred fifteen".