420250351 has 2 divisors, whose sum is σ = 420250352. Its totient is φ = 420250350.

The previous prime is 420250343. The next prime is 420250357. The reversal of 420250351 is 153052024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420250351 - 2³ = 420250343 is a prime.

It is a super-2 number, since 2×420250351² = 353220715031246402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420250357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210125175 + 210125176.

It is an arithmetic number, because the mean of its divisors is an integer number (210125176).

Almost surely, 2^420250351 is an apocalyptic number.

420250351 is a deficient number, since it is larger than the sum of its proper divisors (1).

420250351 is an equidigital number, since it uses as much as digits as its factorization.

420250351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 420250351 is about 20500.0085609738. The cubic root of 420250351 is about 749.0360065233.

The spelling of 420250351 in words is "four hundred twenty million, two hundred fifty thousand, three hundred fifty-one".