652181 has 8 divisors (see below), whose sum is σ = 691680. Its totient is φ = 613872.

The previous prime is 652153. The next prime is 652189. The reversal of 652181 is 181256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652181 - 2⁶ = 652117 is a prime.

It is a super-2 number, since 2×652181² = 850680113522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652189) 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, 986 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (86460).

2⁶⁵²¹⁸¹ is an apocalyptic number.

It is an amenable number.

652181 is a deficient number, since it is larger than the sum of its proper divisors (39499).

652181 is a wasteful number, since it uses less digits than its factorization.

652181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its digits is 480, while the sum is 23.

The square root of 652181 is about 807.5772408878. The cubic root of 652181 is about 86.7206878852.

The spelling of 652181 in words is "six hundred fifty-two thousand, one hundred eighty-one".