1402005523 has 2 divisors, whose sum is σ = 1402005524. Its totient is φ = 1402005522.

The previous prime is 1402005499. The next prime is 1402005533. The reversal of 1402005523 is 3255002041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402005523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402005494 and 1402005503.

It is not a weakly prime, because it can be changed into another prime (1402005533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701002761 + 701002762.

It is an arithmetic number, because the mean of its divisors is an integer number (701002762).

Almost surely, 2^1402005523 is an apocalyptic number.

1402005523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402005523 is an equidigital number, since it uses as much as digits as its factorization.

1402005523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1402005523 is about 37443.3642051566. The cubic root of 1402005523 is about 1119.2228673063. Note that the first 3 decimals are identical.

Adding to 1402005523 its reverse (3255002041), we get a palindrome (4657007564).

The spelling of 1402005523 in words is "one billion, four hundred two million, five thousand, five hundred twenty-three".