1405354241 has 2 divisors, whose sum is σ = 1405354242. Its totient is φ = 1405354240.

The previous prime is 1405354231. The next prime is 1405354259. The reversal of 1405354241 is 1424535041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097000641 + 308353600 = 33121^2 + 17560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405354241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405354231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702677120 + 702677121.

It is an arithmetic number, because the mean of its divisors is an integer number (702677121).

Almost surely, 2^1405354241 is an apocalyptic number.

It is an amenable number.

1405354241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405354241 is an equidigital number, since it uses as much as digits as its factorization.

1405354241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1405354241 is about 37488.0546441130. The cubic root of 1405354241 is about 1120.1132541192.

Adding to 1405354241 its reverse (1424535041), we get a palindrome (2829889282).

The spelling of 1405354241 in words is "one billion, four hundred five million, three hundred fifty-four thousand, two hundred forty-one".