420234037 has 2 divisors, whose sum is σ = 420234038. Its totient is φ = 420234036.

The previous prime is 420234029. The next prime is 420234043. The reversal of 420234037 is 730432024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414285316 + 5948721 = 20354^2 + 2439^2 .

It is a cyclic number.

It is not a de Polignac number, because 420234037 - 2³ = 420234029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420234137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210117018 + 210117019.

It is an arithmetic number, because the mean of its divisors is an integer number (210117019).

Almost surely, 2^420234037 is an apocalyptic number.

It is an amenable number.

420234037 is a deficient number, since it is larger than the sum of its proper divisors (1).

420234037 is an equidigital number, since it uses as much as digits as its factorization.

420234037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 420234037 is about 20499.6106548393. The cubic root of 420234037 is about 749.0263139425.

The spelling of 420234037 in words is "four hundred twenty million, two hundred thirty-four thousand, thirty-seven".