258954947 has 4 divisors (see below), whose sum is σ = 259115736. Its totient is φ = 258794160.

The previous prime is 258954929. The next prime is 258954977. The reversal of 258954947 is 749459852.

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

It is a cyclic number.

It is not a de Polignac number, because 258954947 - 2⁸ = 258954691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258954977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77954 + ... + 81207.

It is an arithmetic number, because the mean of its divisors is an integer number (64778934).

Almost surely, 2^258954947 is an apocalyptic number.

258954947 is a deficient number, since it is larger than the sum of its proper divisors (160789).

258954947 is a wasteful number, since it uses less digits than its factorization.

258954947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160788.

The product of its digits is 3628800, while the sum is 53.

The square root of 258954947 is about 16092.0771499518. The cubic root of 258954947 is about 637.3941463102.

The spelling of 258954947 in words is "two hundred fifty-eight million, nine hundred fifty-four thousand, nine hundred forty-seven".