451051129 has 2 divisors, whose sum is σ = 451051130. Its totient is φ = 451051128.

The previous prime is 451051103. The next prime is 451051171. The reversal of 451051129 is 921150154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244985104 + 206066025 = 15652^2 + 14355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451051129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 451051097 and 451051106.

It is not a weakly prime, because it can be changed into another prime (451057129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225525564 + 225525565.

It is an arithmetic number, because the mean of its divisors is an integer number (225525565).

Almost surely, 2^451051129 is an apocalyptic number.

It is an amenable number.

451051129 is a deficient number, since it is larger than the sum of its proper divisors (1).

451051129 is an equidigital number, since it uses as much as digits as its factorization.

451051129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 451051129 is about 21237.9643327697. The cubic root of 451051129 is about 766.9056277373.

The spelling of 451051129 in words is "four hundred fifty-one million, fifty-one thousand, one hundred twenty-nine".