442250051 has 2 divisors, whose sum is σ = 442250052. Its totient is φ = 442250050.

The previous prime is 442250027. The next prime is 442250069. The reversal of 442250051 is 150052244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442250051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442249999 and 442250026.

It is not a weakly prime, because it can be changed into another prime (442250071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221125025 + 221125026.

It is an arithmetic number, because the mean of its divisors is an integer number (221125026).

Almost surely, 2^442250051 is an apocalyptic number.

442250051 is a deficient number, since it is larger than the sum of its proper divisors (1).

442250051 is an equidigital number, since it uses as much as digits as its factorization.

442250051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 442250051 is about 21029.7420573815. The cubic root of 442250051 is about 761.8847788851.

The spelling of 442250051 in words is "four hundred forty-two million, two hundred fifty thousand, fifty-one".