420937297 has 4 divisors (see below), whose sum is σ = 459204336. Its totient is φ = 382670260.

The previous prime is 420937273. The next prime is 420937303. The reversal of 420937297 is 792739024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420937297 - 2⁷ = 420937169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420937247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19133503 + ... + 19133524.

It is an arithmetic number, because the mean of its divisors is an integer number (114801084).

Almost surely, 2^420937297 is an apocalyptic number.

It is an amenable number.

420937297 is a deficient number, since it is larger than the sum of its proper divisors (38267039).

420937297 is a wasteful number, since it uses less digits than its factorization.

420937297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38267038.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 420937297 is about 20516.7564931692. The cubic root of 420937297 is about 749.4439119381.

The spelling of 420937297 in words is "four hundred twenty million, nine hundred thirty-seven thousand, two hundred ninety-seven".