490430401 has 2 divisors, whose sum is σ = 490430402. Its totient is φ = 490430400.

The previous prime is 490430363. The next prime is 490430411. The reversal of 490430401 is 104034094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369408400 + 121022001 = 19220^2 + 11001^2 .

It is a cyclic number.

It is not a de Polignac number, because 490430401 - 2¹³ = 490422209 is a prime.

It is not a weakly prime, because it can be changed into another prime (490430411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245215200 + 245215201.

It is an arithmetic number, because the mean of its divisors is an integer number (245215201).

Almost surely, 2^490430401 is an apocalyptic number.

It is an amenable number.

490430401 is a deficient number, since it is larger than the sum of its proper divisors (1).

490430401 is an equidigital number, since it uses as much as digits as its factorization.

490430401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 490430401 is about 22145.6632549129. The cubic root of 490430401 is about 788.6042764804.

Adding to 490430401 its reverse (104034094), we get a palindrome (594464495).

The spelling of 490430401 in words is "four hundred ninety million, four hundred thirty thousand, four hundred one".