421037 has 2 divisors, whose sum is σ = 421038. Its totient is φ = 421036.

The previous prime is 421033. The next prime is 421049. The reversal of 421037 is 730124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 3721 = 646^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 421037 - 2² = 421033 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210518 + 210519.

It is an arithmetic number, because the mean of its divisors is an integer number (210519).

2⁴²¹⁰³⁷ is an apocalyptic number.

It is an amenable number.

421037 is a deficient number, since it is larger than the sum of its proper divisors (1).

421037 is an equidigital number, since it uses as much as digits as its factorization.

421037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 421037 is about 648.8736394707. The cubic root of 421037 is about 74.9503078238.

It can be divided in two parts, 4 and 21037, that multiplied together give a palindrome (84148).

The spelling of 421037 in words is "four hundred twenty-one thousand, thirty-seven".