442552051 has 2 divisors, whose sum is σ = 442552052. Its totient is φ = 442552050.

The previous prime is 442552043. The next prime is 442552081. The reversal of 442552051 is 150255244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442552051 - 2³ = 442552043 is a prime.

It is not a weakly prime, because it can be changed into another prime (442552081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221276025 + 221276026.

It is an arithmetic number, because the mean of its divisors is an integer number (221276026).

Almost surely, 2^442552051 is an apocalyptic number.

442552051 is a deficient number, since it is larger than the sum of its proper divisors (1).

442552051 is an equidigital number, since it uses as much as digits as its factorization.

442552051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 442552051 is about 21036.9211387979. The cubic root of 442552051 is about 762.0581625841.

The spelling of 442552051 in words is "four hundred forty-two million, five hundred fifty-two thousand, fifty-one".