451234001 has 2 divisors, whose sum is σ = 451234002. Its totient is φ = 451234000.

The previous prime is 451233977. The next prime is 451234051. The reversal of 451234001 is 100432154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450076225 + 1157776 = 21215^2 + 1076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451234001 is a prime.

It is a super-2 number, since 2×451234001² = 407224247316936002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (451234051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225617000 + 225617001.

It is an arithmetic number, because the mean of its divisors is an integer number (225617001).

Almost surely, 2^451234001 is an apocalyptic number.

It is an amenable number.

451234001 is a deficient number, since it is larger than the sum of its proper divisors (1).

451234001 is an equidigital number, since it uses as much as digits as its factorization.

451234001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 451234001 is about 21242.2692055251. The cubic root of 451234001 is about 767.0092572431.

Adding to 451234001 its reverse (100432154), we get a palindrome (551666155).

The spelling of 451234001 in words is "four hundred fifty-one million, two hundred thirty-four thousand, one".