1406052913 has 2 divisors, whose sum is σ = 1406052914. Its totient is φ = 1406052912.

The previous prime is 1406052871. The next prime is 1406052917. The reversal of 1406052913 is 3192506041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766569969 + 639482944 = 27687^2 + 25288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406052913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406052917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703026456 + 703026457.

It is an arithmetic number, because the mean of its divisors is an integer number (703026457).

Almost surely, 2^1406052913 is an apocalyptic number.

It is an amenable number.

1406052913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406052913 is an equidigital number, since it uses as much as digits as its factorization.

1406052913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1406052913 is about 37497.3720812539. The cubic root of 1406052913 is about 1120.2988448389.

Adding to 1406052913 its reverse (3192506041), we get a palindrome (4598558954).

The spelling of 1406052913 in words is "one billion, four hundred six million, fifty-two thousand, nine hundred thirteen".