421054001 has 2 divisors, whose sum is σ = 421054002. Its totient is φ = 421054000.

The previous prime is 421053973. The next prime is 421054021. The reversal of 421054001 is 100450124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327429025 + 93624976 = 18095^2 + 9676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421054001 is a prime.

It is not a weakly prime, because it can be changed into another prime (421054021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210527000 + 210527001.

It is an arithmetic number, because the mean of its divisors is an integer number (210527001).

Almost surely, 2^421054001 is an apocalyptic number.

It is an amenable number.

421054001 is a deficient number, since it is larger than the sum of its proper divisors (1).

421054001 is an equidigital number, since it uses as much as digits as its factorization.

421054001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 421054001 is about 20519.6004103394. The cubic root of 421054001 is about 749.5131661328.

The spelling of 421054001 in words is "four hundred twenty-one million, fifty-four thousand, one".