652458137 has 2 divisors, whose sum is σ = 652458138. Its totient is φ = 652458136.

The previous prime is 652458109. The next prime is 652458139. The reversal of 652458137 is 731854256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645718921 + 6739216 = 25411^2 + 2596^2 .

It is a cyclic number.

It is not a de Polignac number, because 652458137 - 2⁸ = 652457881 is a prime.

Together with 652458139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 652458094 and 652458103.

It is not a weakly prime, because it can be changed into another prime (652458139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326229068 + 326229069.

It is an arithmetic number, because the mean of its divisors is an integer number (326229069).

Almost surely, 2^652458137 is an apocalyptic number.

It is an amenable number.

652458137 is a deficient number, since it is larger than the sum of its proper divisors (1).

652458137 is an equidigital number, since it uses as much as digits as its factorization.

652458137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 652458137 is about 25543.2601090777. The cubic root of 652458137 is about 867.3296980681.

The spelling of 652458137 in words is "six hundred fifty-two million, four hundred fifty-eight thousand, one hundred thirty-seven".