421001411 has 16 divisors (see below), whose sum is σ = 449206560. Its totient is φ = 393442560.

The previous prime is 421001389. The next prime is 421001423. The reversal of 421001411 is 114100124.

It is a cyclic number.

It is not a de Polignac number, because 421001411 - 2¹⁰ = 421000387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421001461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512381 + ... + 513201.

It is an arithmetic number, because the mean of its divisors is an integer number (28075410).

Almost surely, 2^421001411 is an apocalyptic number.

421001411 is a deficient number, since it is larger than the sum of its proper divisors (28205149).

421001411 is a wasteful number, since it uses less digits than its factorization.

421001411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 421001411 is about 20518.3189126205. The cubic root of 421001411 is about 749.4819598913.

Adding to 421001411 its reverse (114100124), we get a palindrome (535101535).

The spelling of 421001411 in words is "four hundred twenty-one million, one thousand, four hundred eleven".