432621113 has 2 divisors, whose sum is σ = 432621114. Its totient is φ = 432621112.

The previous prime is 432621047. The next prime is 432621157. The reversal of 432621113 is 311126234.

432621113 = 14707² + 14708².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216325264 + 216295849 = 14708^2 + 14707^2 .

It is a cyclic number.

It is not a de Polignac number, because 432621113 - 2⁸ = 432620857 is a prime.

It is a super-2 number, since 2×432621113² = 374322054826717538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (432624113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216310556 + 216310557.

It is an arithmetic number, because the mean of its divisors is an integer number (216310557).

Almost surely, 2^432621113 is an apocalyptic number.

432621113 is the 14708-th centered square number.

It is an amenable number.

432621113 is a deficient number, since it is larger than the sum of its proper divisors (1).

432621113 is an equidigital number, since it uses as much as digits as its factorization.

432621113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 432621113 is about 20799.5459806218. The cubic root of 432621113 is about 756.3147496594.

Adding to 432621113 its reverse (311126234), we get a palindrome (743747347).

The spelling of 432621113 in words is "four hundred thirty-two million, six hundred twenty-one thousand, one hundred thirteen".