1405252411 has 2 divisors, whose sum is σ = 1405252412. Its totient is φ = 1405252410.

The previous prime is 1405252403. The next prime is 1405252421. The reversal of 1405252411 is 1142525041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1405252411 - 2³ = 1405252403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405252421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702626205 + 702626206.

It is an arithmetic number, because the mean of its divisors is an integer number (702626206).

Almost surely, 2^1405252411 is an apocalyptic number.

1405252411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405252411 is an equidigital number, since it uses as much as digits as its factorization.

1405252411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1405252411 is about 37486.6964535420. The cubic root of 1405252411 is about 1120.0861995199.

Adding to 1405252411 its reverse (1142525041), we get a palindrome (2547777452).

The spelling of 1405252411 in words is "one billion, four hundred five million, two hundred fifty-two thousand, four hundred eleven".