420412051 has 2 divisors, whose sum is σ = 420412052. Its totient is φ = 420412050.

The previous prime is 420412021. The next prime is 420412063. The reversal of 420412051 is 150214024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420412051 - 2⁷ = 420411923 is a prime.

It is not a weakly prime, because it can be changed into another prime (420412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210206025 + 210206026.

It is an arithmetic number, because the mean of its divisors is an integer number (210206026).

Almost surely, 2^420412051 is an apocalyptic number.

420412051 is a deficient number, since it is larger than the sum of its proper divisors (1).

420412051 is an equidigital number, since it uses as much as digits as its factorization.

420412051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 420412051 is about 20503.9520824645. The cubic root of 420412051 is about 749.1320632277.

Adding to 420412051 its reverse (150214024), we get a palindrome (570626075).

The spelling of 420412051 in words is "four hundred twenty million, four hundred twelve thousand, fifty-one".