652228249 has 2 divisors, whose sum is σ = 652228250. Its totient is φ = 652228248.

The previous prime is 652228231. The next prime is 652228321. The reversal of 652228249 is 942822256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622851849 + 29376400 = 24957^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 652228249 - 2⁵ = 652228217 is a prime.

It is not a weakly prime, because it can be changed into another prime (652528249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326114124 + 326114125.

It is an arithmetic number, because the mean of its divisors is an integer number (326114125).

Almost surely, 2^652228249 is an apocalyptic number.

It is an amenable number.

652228249 is a deficient number, since it is larger than the sum of its proper divisors (1).

652228249 is an equidigital number, since it uses as much as digits as its factorization.

652228249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 652228249 is about 25538.7597388753. The cubic root of 652228249 is about 867.2278207212.

The spelling of 652228249 in words is "six hundred fifty-two million, two hundred twenty-eight thousand, two hundred forty-nine".