259254427 has 2 divisors, whose sum is σ = 259254428. Its totient is φ = 259254426.

The previous prime is 259254407. The next prime is 259254433. The reversal of 259254427 is 724452952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259254427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259254427.

It is not a weakly prime, because it can be changed into another prime (259254407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129627213 + 129627214.

It is an arithmetic number, because the mean of its divisors is an integer number (129627214).

Almost surely, 2^259254427 is an apocalyptic number.

259254427 is a deficient number, since it is larger than the sum of its proper divisors (1).

259254427 is an equidigital number, since it uses as much as digits as its factorization.

259254427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 259254427 is about 16101.3796613831. The cubic root of 259254427 is about 637.6397659464.

The spelling of 259254427 in words is "two hundred fifty-nine million, two hundred fifty-four thousand, four hundred twenty-seven".