258247951 has 8 divisors (see below), whose sum is σ = 278388320. Its totient is φ = 238146912.

The previous prime is 258247907. The next prime is 258247967. The reversal of 258247951 is 159742852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258247951 - 2⁷ = 258247823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258247898 and 258247907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258247351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (34798540).

Almost surely, 2^258247951 is an apocalyptic number.

258247951 is a deficient number, since it is larger than the sum of its proper divisors (20140369).

258247951 is a wasteful number, since it uses less digits than its factorization.

258247951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665.

The product of its digits is 201600, while the sum is 43.

The square root of 258247951 is about 16070.0949281577. The cubic root of 258247951 is about 636.8135487370.

The spelling of 258247951 in words is "two hundred fifty-eight million, two hundred forty-seven thousand, nine hundred fifty-one".