412342391 has 2 divisors, whose sum is σ = 412342392. Its totient is φ = 412342390.

The previous prime is 412342379. The next prime is 412342433. The reversal of 412342391 is 193243214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 412342391 - 2²⁶ = 345233527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412342331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206171195 + 206171196.

It is an arithmetic number, because the mean of its divisors is an integer number (206171196).

Almost surely, 2^412342391 is an apocalyptic number.

412342391 is a deficient number, since it is larger than the sum of its proper divisors (1).

412342391 is an equidigital number, since it uses as much as digits as its factorization.

412342391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 412342391 is about 20306.2155755325. The cubic root of 412342391 is about 744.3079566604.

It can be divided in two parts, 41 and 2342391, that added together give a palindrome (2342432).

The spelling of 412342391 in words is "four hundred twelve million, three hundred forty-two thousand, three hundred ninety-one".