259157397 has 16 divisors (see below), whose sum is σ = 364372160. Its totient is φ = 163389312.

The previous prime is 259157387. The next prime is 259157467. The reversal of 259157397 is 793751952.

It is not a de Polignac number, because 259157397 - 2⁸ = 259157141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259157377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31233 + ... + 38649.

It is an arithmetic number, because the mean of its divisors is an integer number (22773260).

Almost surely, 2^259157397 is an apocalyptic number.

It is an amenable number.

259157397 is a deficient number, since it is larger than the sum of its proper divisors (105214763).

259157397 is a wasteful number, since it uses less digits than its factorization.

259157397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052.

The product of its digits is 595350, while the sum is 48.

The square root of 259157397 is about 16098.3662835705. The cubic root of 259157397 is about 637.5602071549.

The spelling of 259157397 in words is "two hundred fifty-nine million, one hundred fifty-seven thousand, three hundred ninety-seven".