30432401 has 2 divisors, whose sum is σ = 30432402. Its totient is φ = 30432400.

The previous prime is 30432379. The next prime is 30432403. The reversal of 30432401 is 10423403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 14432401 = 4000^2 + 3799^2 .

It is a cyclic number.

It is not a de Polignac number, because 30432401 - 2²² = 26238097 is a prime.

It is a super-2 number, since 2×30432401² = 1852262061249602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 30432403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30432401.

It is not a weakly prime, because it can be changed into another prime (30432403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216200 + 15216201.

It is an arithmetic number, because the mean of its divisors is an integer number (15216201).

Almost surely, 2^30432401 is an apocalyptic number.

It is an amenable number.

30432401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30432401 is an equidigital number, since it uses as much as digits as its factorization.

30432401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30432401 is about 5516.5569878322. The cubic root of 30432401 is about 312.2089911685.

Adding to 30432401 its reverse (10423403), we get a palindrome (40855804).

The spelling of 30432401 in words is "thirty million, four hundred thirty-two thousand, four hundred one".