451555051 has 2 divisors, whose sum is σ = 451555052. Its totient is φ = 451555050.

The previous prime is 451554973. The next prime is 451555127. The reversal of 451555051 is 150555154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451555051 - 2⁷ = 451554923 is a prime.

It is a super-2 number, since 2×451555051² = 407803928167225202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (451553051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225777525 + 225777526.

It is an arithmetic number, because the mean of its divisors is an integer number (225777526).

Almost surely, 2^451555051 is an apocalyptic number.

451555051 is a deficient number, since it is larger than the sum of its proper divisors (1).

451555051 is an equidigital number, since it uses as much as digits as its factorization.

451555051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 451555051 is about 21249.8247286889. The cubic root of 451555051 is about 767.1911214519.

The spelling of 451555051 in words is "four hundred fifty-one million, five hundred fifty-five thousand, fifty-one".