1402543553 has 2 divisors, whose sum is σ = 1402543554. Its totient is φ = 1402543552.

The previous prime is 1402543529. The next prime is 1402543567. The reversal of 1402543553 is 3553452041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829036849 + 573506704 = 28793^2 + 23948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402543553 - 2⁶ = 1402543489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402543253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701271776 + 701271777.

It is an arithmetic number, because the mean of its divisors is an integer number (701271777).

Almost surely, 2^1402543553 is an apocalyptic number.

It is an amenable number.

1402543553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402543553 is an equidigital number, since it uses as much as digits as its factorization.

1402543553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1402543553 is about 37450.5481001280. The cubic root of 1402543553 is about 1119.3660190167.

Adding to 1402543553 its reverse (3553452041), we get a palindrome (4955995594).

The spelling of 1402543553 in words is "one billion, four hundred two million, five hundred forty-three thousand, five hundred fifty-three".