258081364 has 12 divisors (see below), whose sum is σ = 463849204. Its totient is φ = 125553024.

The previous prime is 258081349. The next prime is 258081377. The reversal of 258081364 is 463180852.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 223741764 + 34339600 = 14958^2 + 5860^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871749 + ... + 872044.

Almost surely, 2^258081364 is an apocalyptic number.

It is an amenable number.

258081364 is a deficient number, since it is larger than the sum of its proper divisors (205767840).

258081364 is a wasteful number, since it uses less digits than its factorization.

258081364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743834 (or 1743832 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 258081364 is about 16064.9109552465. The cubic root of 258081364 is about 636.6765903384.

It can be divided in two parts, 25808 and 1364, that added together give a palindrome (27172).

The spelling of 258081364 in words is "two hundred fifty-eight million, eighty-one thousand, three hundred sixty-four".