421269337 has 2 divisors, whose sum is σ = 421269338. Its totient is φ = 421269336.

The previous prime is 421269293. The next prime is 421269353. The reversal of 421269337 is 733962124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358875136 + 62394201 = 18944^2 + 7899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421269337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421269296 and 421269305.

It is not a weakly prime, because it can be changed into another prime (421269377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210634668 + 210634669.

It is an arithmetic number, because the mean of its divisors is an integer number (210634669).

Almost surely, 2^421269337 is an apocalyptic number.

It is an amenable number.

421269337 is a deficient number, since it is larger than the sum of its proper divisors (1).

421269337 is an equidigital number, since it uses as much as digits as its factorization.

421269337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 421269337 is about 20524.8468203785. The cubic root of 421269337 is about 749.6409166989.

The spelling of 421269337 in words is "four hundred twenty-one million, two hundred sixty-nine thousand, three hundred thirty-seven".