652631158 has 16 divisors (see below), whose sum is σ = 1022708736. Its totient is φ = 311982120.

The previous prime is 652631149. The next prime is 652631159. The reversal of 652631158 is 851136256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652631159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58266 + ... + 68557.

It is an arithmetic number, because the mean of its divisors is an integer number (63919296).

Almost surely, 2^652631158 is an apocalyptic number.

652631158 is a deficient number, since it is larger than the sum of its proper divisors (370077578).

652631158 is a wasteful number, since it uses less digits than its factorization.

652631158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126939.

The product of its digits is 43200, while the sum is 37.

The square root of 652631158 is about 25546.6467075427. The cubic root of 652631158 is about 867.4063584085.

It can be divided in two parts, 652 and 631158, that multiplied together give a triangular number (411515016 = T₂₈₆₈₈).

The spelling of 652631158 in words is "six hundred fifty-two million, six hundred thirty-one thousand, one hundred fifty-eight".