652503566 has 16 divisors (see below), whose sum is σ = 1149866928. Its totient is φ = 273777600.

The previous prime is 652503563. The next prime is 652503601. The reversal of 652503566 is 665305256.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652503563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140455 + ... + 1141026.

It is an arithmetic number, because the mean of its divisors is an integer number (71866683).

Almost surely, 2^652503566 is an apocalyptic number.

652503566 is a deficient number, since it is larger than the sum of its proper divisors (497363362).

652503566 is a wasteful number, since it uses less digits than its factorization.

652503566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281507.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 652503566 is about 25544.1493497043. The cubic root of 652503566 is about 867.3498275876.

The spelling of 652503566 in words is "six hundred fifty-two million, five hundred three thousand, five hundred sixty-six".