1405342513 has 2 divisors, whose sum is σ = 1405342514. Its totient is φ = 1405342512.

The previous prime is 1405342493. The next prime is 1405342531. The reversal of 1405342513 is 3152435041.

Together with next prime (1405342531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1242703504 + 162639009 = 35252^2 + 12753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405342513 - 2²⁹ = 868471601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405349513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702671256 + 702671257.

It is an arithmetic number, because the mean of its divisors is an integer number (702671257).

Almost surely, 2^1405342513 is an apocalyptic number.

It is an amenable number.

1405342513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405342513 is an equidigital number, since it uses as much as digits as its factorization.

1405342513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1405342513 is about 37487.8982206258. The cubic root of 1405342513 is about 1120.1101382442.

Adding to 1405342513 its reverse (3152435041), we get a palindrome (4557777554).

The spelling of 1405342513 in words is "one billion, four hundred five million, three hundred forty-two thousand, five hundred thirteen".