258065326 has 4 divisors (see below), whose sum is σ = 387097992. Its totient is φ = 129032662.

The previous prime is 258065303. The next prime is 258065329. The reversal of 258065326 is 623560852.

It is a happy number.

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 (258065329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64516330 + ... + 64516333.

It is an arithmetic number, because the mean of its divisors is an integer number (96774498).

Almost surely, 2^258065326 is an apocalyptic number.

258065326 is a deficient number, since it is larger than the sum of its proper divisors (129032666).

258065326 is a wasteful number, since it uses less digits than its factorization.

258065326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129032665.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 258065326 is about 16064.4117850608. The cubic root of 258065326 is about 636.6634016931.

The spelling of 258065326 in words is "two hundred fifty-eight million, sixty-five thousand, three hundred twenty-six".