652698387 has 24 divisors (see below), whose sum is σ = 1029607488. Its totient is φ = 395146800.

The previous prime is 652698377. The next prime is 652698413. The reversal of 652698387 is 783896256.

It is a happy number.

It is not a de Polignac number, because 652698387 - 2¹¹ = 652696339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652698337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104988 + ... + 111030.

It is an arithmetic number, because the mean of its divisors is an integer number (42900312).

Almost surely, 2^652698387 is an apocalyptic number.

652698387 is a deficient number, since it is larger than the sum of its proper divisors (376909101).

652698387 is a wasteful number, since it uses less digits than its factorization.

652698387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151 (or 7148 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 652698387 is about 25547.9624823585. The cubic root of 652698387 is about 867.4361418776.

The spelling of 652698387 in words is "six hundred fifty-two million, six hundred ninety-eight thousand, three hundred eighty-seven".