652991367 has 16 divisors (see below), whose sum is σ = 1038297600. Its totient is φ = 356914272.

The previous prime is 652991363. The next prime is 652991393. The reversal of 652991367 is 763199256.

It is not a de Polignac number, because 652991367 - 2² = 652991363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652991363) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 675492 + ... + 676457.

It is an arithmetic number, because the mean of its divisors is an integer number (64893600).

Almost surely, 2^652991367 is an apocalyptic number.

652991367 is a deficient number, since it is larger than the sum of its proper divisors (385306233).

652991367 is a wasteful number, since it uses less digits than its factorization.

652991367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351982.

The product of its digits is 612360, while the sum is 48.

The square root of 652991367 is about 25553.6957601048. The cubic root of 652991367 is about 867.5659126004.

It can be divided in two parts, 65299 and 1367, that added together give a palindrome (66666).

The spelling of 652991367 in words is "six hundred fifty-two million, nine hundred ninety-one thousand, three hundred sixty-seven".