259492901 has 2 divisors, whose sum is σ = 259492902. Its totient is φ = 259492900.

The previous prime is 259492889. The next prime is 259492927. The reversal of 259492901 is 109294952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195972001 + 63520900 = 13999^2 + 7970^2 .

It is a cyclic number.

It is not a de Polignac number, because 259492901 - 2⁶ = 259492837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259492991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129746450 + 129746451.

It is an arithmetic number, because the mean of its divisors is an integer number (129746451).

Almost surely, 2^259492901 is an apocalyptic number.

It is an amenable number.

259492901 is a deficient number, since it is larger than the sum of its proper divisors (1).

259492901 is an equidigital number, since it uses as much as digits as its factorization.

259492901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 259492901 is about 16108.7833494650. The cubic root of 259492901 is about 637.8352160390.

The spelling of 259492901 in words is "two hundred fifty-nine million, four hundred ninety-two thousand, nine hundred one".