451125761 has 2 divisors, whose sum is σ = 451125762. Its totient is φ = 451125760.

The previous prime is 451125743. The next prime is 451125767. The reversal of 451125761 is 167521154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383376400 + 67749361 = 19580^2 + 8231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451125761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (451125767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225562880 + 225562881.

It is an arithmetic number, because the mean of its divisors is an integer number (225562881).

Almost surely, 2^451125761 is an apocalyptic number.

It is an amenable number.

451125761 is a deficient number, since it is larger than the sum of its proper divisors (1).

451125761 is an equidigital number, since it uses as much as digits as its factorization.

451125761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 451125761 is about 21239.7213023147. The cubic root of 451125761 is about 766.9479234185.

The spelling of 451125761 in words is "four hundred fifty-one million, one hundred twenty-five thousand, seven hundred sixty-one".