421041377 has 2 divisors, whose sum is σ = 421041378. Its totient is φ = 421041376.

The previous prime is 421041373. The next prime is 421041419. The reversal of 421041377 is 773140124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309443281 + 111598096 = 17591^2 + 10564^2 .

It is a cyclic number.

It is not a de Polignac number, because 421041377 - 2² = 421041373 is a prime.

It is a super-2 number, since 2×421041377² = 354551682292112258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421041373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210520688 + 210520689.

It is an arithmetic number, because the mean of its divisors is an integer number (210520689).

Almost surely, 2^421041377 is an apocalyptic number.

It is an amenable number.

421041377 is a deficient number, since it is larger than the sum of its proper divisors (1).

421041377 is an equidigital number, since it uses as much as digits as its factorization.

421041377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 421041377 is about 20519.2927997044. The cubic root of 421041377 is about 749.5056754477.

The spelling of 421041377 in words is "four hundred twenty-one million, forty-one thousand, three hundred seventy-seven".