258631045 has 8 divisors (see below), whose sum is σ = 312590880. Its totient is φ = 205415760.

The previous prime is 258631039. The next prime is 258631049. The reversal of 258631045 is 540136852.

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

It is not a de Polignac number, because 258631045 - 2²³ = 250242437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258631045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258631049) 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, 185371 + ... + 186760.

It is an arithmetic number, because the mean of its divisors is an integer number (39073860).

Almost surely, 2^258631045 is an apocalyptic number.

It is an amenable number.

258631045 is a deficient number, since it is larger than the sum of its proper divisors (53959835).

258631045 is a wasteful number, since it uses less digits than its factorization.

258631045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372275.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 258631045 is about 16082.0099800989. The cubic root of 258631045 is about 637.1282836205.

Adding to 258631045 its reverse (540136852), we get a palindrome (798767897).

The spelling of 258631045 in words is "two hundred fifty-eight million, six hundred thirty-one thousand, forty-five".