652090 has 16 divisors (see below), whose sum is σ = 1194120. Its totient is φ = 256320.

The previous prime is 652087. The next prime is 652117. The reversal of 652090 is 90256.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 323761 = 573^2 + 569^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 1144.

2⁶⁵²⁰⁹⁰ is an apocalyptic number.

652090 is a deficient number, since it is larger than the sum of its proper divisors (542030).

652090 is a wasteful number, since it uses less digits than its factorization.

652090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 652090 is about 807.5208975624. The cubic root of 652090 is about 86.7166542658.

The spelling of 652090 in words is "six hundred fifty-two thousand, ninety".