225137321683 has 2 divisors, whose sum is σ = 225137321684. Its totient is φ = 225137321682.

The previous prime is 225137321663. The next prime is 225137321701. The reversal of 225137321683 is 386123731522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225137321683 - 2³⁷ = 87698368211 is a prime.

It is a super-2 number, since 2×225137321683² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225137321663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112568660841 + 112568660842.

It is an arithmetic number, because the mean of its divisors is an integer number (112568660842).

Almost surely, 2^225137321683 is an apocalyptic number.

225137321683 is a deficient number, since it is larger than the sum of its proper divisors (1).

225137321683 is an equidigital number, since it uses as much as digits as its factorization.

225137321683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The spelling of 225137321683 in words is "two hundred twenty-five billion, one hundred thirty-seven million, three hundred twenty-one thousand, six hundred eighty-three".