656362253 has 2 divisors, whose sum is σ = 656362254. Its totient is φ = 656362252.

The previous prime is 656362241. The next prime is 656362327. The reversal of 656362253 is 352263656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538379209 + 117983044 = 23203^2 + 10862^2 .

It is a cyclic number.

It is not a de Polignac number, because 656362253 - 2²² = 652167949 is a prime.

It is a super-2 number, since 2×656362253² = 861622814326472018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656365253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328181126 + 328181127.

It is an arithmetic number, because the mean of its divisors is an integer number (328181127).

Almost surely, 2^656362253 is an apocalyptic number.

It is an amenable number.

656362253 is a deficient number, since it is larger than the sum of its proper divisors (1).

656362253 is an equidigital number, since it uses as much as digits as its factorization.

656362253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 38.

The square root of 656362253 is about 25619.5677754329. The cubic root of 656362253 is about 869.0562068944.

The spelling of 656362253 in words is "six hundred fifty-six million, three hundred sixty-two thousand, two hundred fifty-three".