531260623 has 2 divisors, whose sum is σ = 531260624. Its totient is φ = 531260622.

The previous prime is 531260581. The next prime is 531260629. The reversal of 531260623 is 326062135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531260623 - 2²⁵ = 497706191 is a prime.

It is equal to p_27913411 and since 531260623 and 27913411 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 531260591 and 531260600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531260629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265630311 + 265630312.

It is an arithmetic number, because the mean of its divisors is an integer number (265630312).

Almost surely, 2^531260623 is an apocalyptic number.

531260623 is a deficient number, since it is larger than the sum of its proper divisors (1).

531260623 is an equidigital number, since it uses as much as digits as its factorization.

531260623 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 28.

The square root of 531260623 is about 23049.0915873056. The cubic root of 531260623 is about 809.9083486200.

The spelling of 531260623 in words is "five hundred thirty-one million, two hundred sixty thousand, six hundred twenty-three".