258981503 has 12 divisors (see below), whose sum is σ = 289498440. Its totient is φ = 231440880.

The previous prime is 258981491. The next prime is 258981509. The reversal of 258981503 is 305189852.

It is not a de Polignac number, because 258981503 - 2¹⁸ = 258719359 is a prime.

It is a super-2 number, since 2×258981503² = 134142837792278018, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258981509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11000 + ... + 25277.

It is an arithmetic number, because the mean of its divisors is an integer number (24124870).

Almost surely, 2^258981503 is an apocalyptic number.

258981503 is a deficient number, since it is larger than the sum of its proper divisors (30516937).

258981503 is a wasteful number, since it uses less digits than its factorization.

258981503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36358 (or 36347 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 258981503 is about 16092.9022553423. The cubic root of 258981503 is about 637.4159339616.

The spelling of 258981503 in words is "two hundred fifty-eight million, nine hundred eighty-one thousand, five hundred three".