424287401 has 2 divisors, whose sum is σ = 424287402. Its totient is φ = 424287400.

The previous prime is 424287397. The next prime is 424287427. The reversal of 424287401 is 104782424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289170025 + 135117376 = 17005^2 + 11624^2 .

It is a cyclic number.

It is not a de Polignac number, because 424287401 - 2² = 424287397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424287481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212143700 + 212143701.

It is an arithmetic number, because the mean of its divisors is an integer number (212143701).

Almost surely, 2^424287401 is an apocalyptic number.

It is an amenable number.

424287401 is a deficient number, since it is larger than the sum of its proper divisors (1).

424287401 is an equidigital number, since it uses as much as digits as its factorization.

424287401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 424287401 is about 20598.2378129781. The cubic root of 424287401 is about 751.4268546891.

The spelling of 424287401 in words is "four hundred twenty-four million, two hundred eighty-seven thousand, four hundred one".