259561102 has 4 divisors (see below), whose sum is σ = 389341656. Its totient is φ = 129780550.

The previous prime is 259561079. The next prime is 259561121. The reversal of 259561102 is 201165952.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64890274 + ... + 64890277.

It is an arithmetic number, because the mean of its divisors is an integer number (97335414).

Almost surely, 2^259561102 is an apocalyptic number.

259561102 is a deficient number, since it is larger than the sum of its proper divisors (129780554).

259561102 is a wasteful number, since it uses less digits than its factorization.

259561102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129780553.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 259561102 is about 16110.9000990013. The cubic root of 259561102 is about 637.8910906428.

The spelling of 259561102 in words is "two hundred fifty-nine million, five hundred sixty-one thousand, one hundred two".