451268137 has 2 divisors, whose sum is σ = 451268138. Its totient is φ = 451268136.

The previous prime is 451268093. The next prime is 451268141. The reversal of 451268137 is 731862154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412130601 + 39137536 = 20301^2 + 6256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451268137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451268096 and 451268105.

It is not a weakly prime, because it can be changed into another prime (451268177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225634068 + 225634069.

It is an arithmetic number, because the mean of its divisors is an integer number (225634069).

Almost surely, 2^451268137 is an apocalyptic number.

It is an amenable number.

451268137 is a deficient number, since it is larger than the sum of its proper divisors (1).

451268137 is an equidigital number, since it uses as much as digits as its factorization.

451268137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 451268137 is about 21243.0726826417. The cubic root of 451268137 is about 767.0285982559.

The spelling of 451268137 in words is "four hundred fifty-one million, two hundred sixty-eight thousand, one hundred thirty-seven".