652539393 has 48 divisors (see below), whose sum is σ = 1046260800. Its totient is φ = 388621440.

The previous prime is 652539383. The next prime is 652539413. The reversal of 652539393 is 393935256.

652539393 is a `hidden beast` number, since 6 + 5 + 253 + 9 + 393 = 666.

It is not a de Polignac number, because 652539393 - 2²¹ = 650442241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652539383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2425663 + ... + 2425931.

It is an arithmetic number, because the mean of its divisors is an integer number (21797100).

Almost surely, 2^652539393 is an apocalyptic number.

It is an amenable number.

652539393 is a deficient number, since it is larger than the sum of its proper divisors (393721407).

652539393 is a wasteful number, since it uses less digits than its factorization.

652539393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its digits is 656100, while the sum is 45.

The square root of 652539393 is about 25544.8506161222. The cubic root of 652539393 is about 867.3657018169.

It can be divided in two parts, 652 and 539393, that added together give a palindrome (540045).

The spelling of 652539393 in words is "six hundred fifty-two million, five hundred thirty-nine thousand, three hundred ninety-three".