259465966 has 4 divisors (see below), whose sum is σ = 389198952. Its totient is φ = 129732982.

The previous prime is 259465963. The next prime is 259465981. The reversal of 259465966 is 669564952.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259465963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64866490 + ... + 64866493.

It is an arithmetic number, because the mean of its divisors is an integer number (97299738).

Almost surely, 2^259465966 is an apocalyptic number.

259465966 is a deficient number, since it is larger than the sum of its proper divisors (129732986).

259465966 is a wasteful number, since it uses less digits than its factorization.

259465966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129732985.

The product of its digits is 3499200, while the sum is 52.

The square root of 259465966 is about 16107.9472931842. The cubic root of 259465966 is about 637.8131464745.

The spelling of 259465966 in words is "two hundred fifty-nine million, four hundred sixty-five thousand, nine hundred sixty-six".