424101901 has 2 divisors, whose sum is σ = 424101902. Its totient is φ = 424101900.

The previous prime is 424101877. The next prime is 424101913. The reversal of 424101901 is 109101424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402002500 + 22099401 = 20050^2 + 4701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424101901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424101701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212050950 + 212050951.

It is an arithmetic number, because the mean of its divisors is an integer number (212050951).

Almost surely, 2^424101901 is an apocalyptic number.

It is an amenable number.

424101901 is a deficient number, since it is larger than the sum of its proper divisors (1).

424101901 is an equidigital number, since it uses as much as digits as its factorization.

424101901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 424101901 is about 20593.7345083402. The cubic root of 424101901 is about 751.3173298717.

The spelling of 424101901 in words is "four hundred twenty-four million, one hundred one thousand, nine hundred one".