403420051 has 2 divisors, whose sum is σ = 403420052. Its totient is φ = 403420050.

The previous prime is 403420037. The next prime is 403420093. The reversal of 403420051 is 150024304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403420051 - 2⁹ = 403419539 is a prime.

It is not a weakly prime, because it can be changed into another prime (403420151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201710025 + 201710026.

It is an arithmetic number, because the mean of its divisors is an integer number (201710026).

Almost surely, 2^403420051 is an apocalyptic number.

403420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

403420051 is an equidigital number, since it uses as much as digits as its factorization.

403420051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 403420051 is about 20085.3192904669. The cubic root of 403420051 is about 738.9002723765.

Adding to 403420051 its reverse (150024304), we get a palindrome (553444355).

The spelling of 403420051 in words is "four hundred three million, four hundred twenty thousand, fifty-one".