451344541 has 2 divisors, whose sum is σ = 451344542. Its totient is φ = 451344540.

The previous prime is 451344527. The next prime is 451344581. The reversal of 451344541 is 145443154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263380441 + 187964100 = 16229^2 + 13710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451344541 is a prime.

It is equal to p_23920483 and since 451344541 and 23920483 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451344521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225672270 + 225672271.

It is an arithmetic number, because the mean of its divisors is an integer number (225672271).

Almost surely, 2^451344541 is an apocalyptic number.

It is an amenable number.

451344541 is a deficient number, since it is larger than the sum of its proper divisors (1).

451344541 is an equidigital number, since it uses as much as digits as its factorization.

451344541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 451344541 is about 21244.8709339454. The cubic root of 451344541 is about 767.0718842324.

Adding to 451344541 its reverse (145443154), we get a palindrome (596787695).

The spelling of 451344541 in words is "four hundred fifty-one million, three hundred forty-four thousand, five hundred forty-one".