531255103 has 2 divisors, whose sum is σ = 531255104. Its totient is φ = 531255102.

The previous prime is 531255077. The next prime is 531255113. The reversal of 531255103 is 301552135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531255103 - 2⁵ = 531255071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531255113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265627551 + 265627552.

It is an arithmetic number, because the mean of its divisors is an integer number (265627552).

Almost surely, 2^531255103 is an apocalyptic number.

531255103 is a deficient number, since it is larger than the sum of its proper divisors (1).

531255103 is an equidigital number, since it uses as much as digits as its factorization.

531255103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 531255103 is about 23048.9718425790. The cubic root of 531255103 is about 809.9055435250.

The spelling of 531255103 in words is "five hundred thirty-one million, two hundred fifty-five thousand, one hundred three".