413542243 has 2 divisors, whose sum is σ = 413542244. Its totient is φ = 413542242.

The previous prime is 413542123. The next prime is 413542249. The reversal of 413542243 is 342245314.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413542243 is a prime.

It is not a weakly prime, because it can be changed into another prime (413542249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206771121 + 206771122.

It is an arithmetic number, because the mean of its divisors is an integer number (206771122).

Almost surely, 2^413542243 is an apocalyptic number.

413542243 is a deficient number, since it is larger than the sum of its proper divisors (1).

413542243 is an equidigital number, since it uses as much as digits as its factorization.

413542243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 413542243 is about 20335.7380736476. The cubic root of 413542243 is about 745.0291975404.

Adding to 413542243 its reverse (342245314), we get a palindrome (755787557).

The spelling of 413542243 in words is "four hundred thirteen million, five hundred forty-two thousand, two hundred forty-three".