259654601 has 2 divisors, whose sum is σ = 259654602. Its totient is φ = 259654600.

The previous prime is 259654561. The next prime is 259654609. The reversal of 259654601 is 106456952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136422400 + 123232201 = 11680^2 + 11101^2 .

It is a cyclic number.

It is not a de Polignac number, because 259654601 - 2¹⁸ = 259392457 is a prime.

It is not a weakly prime, because it can be changed into another prime (259654609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129827300 + 129827301.

It is an arithmetic number, because the mean of its divisors is an integer number (129827301).

Almost surely, 2^259654601 is an apocalyptic number.

It is an amenable number.

259654601 is a deficient number, since it is larger than the sum of its proper divisors (1).

259654601 is an equidigital number, since it uses as much as digits as its factorization.

259654601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 259654601 is about 16113.8015688415. The cubic root of 259654601 is about 637.9676750753.

The spelling of 259654601 in words is "two hundred fifty-nine million, six hundred fifty-four thousand, six hundred one".