652657345 has 4 divisors (see below), whose sum is σ = 783188820. Its totient is φ = 522125872.

The previous prime is 652657309. The next prime is 652657363. The reversal of 652657345 is 543756256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82737216 + 569920129 = 9096^2 + 23873^2 .

It is a cyclic number.

It is not a de Polignac number, because 652657345 - 2⁹ = 652656833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65265730 + ... + 65265739.

It is an arithmetic number, because the mean of its divisors is an integer number (195797205).

Almost surely, 2^652657345 is an apocalyptic number.

It is an amenable number.

652657345 is a deficient number, since it is larger than the sum of its proper divisors (130531475).

652657345 is a wasteful number, since it uses less digits than its factorization.

652657345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130531474.

The product of its digits is 756000, while the sum is 43.

The square root of 652657345 is about 25547.1592354219. The cubic root of 652657345 is about 867.4179598908.

The spelling of 652657345 in words is "six hundred fifty-two million, six hundred fifty-seven thousand, three hundred forty-five".