258499401245 has 8 divisors (see below), whose sum is σ = 317765117880. Its totient is φ = 201755630080.

The previous prime is 258499401233. The next prime is 258499401263. The reversal of 258499401245 is 542104994852.

It can be written as a sum of positive squares in 4 ways, for example, as 2505903481 + 255993497764 = 50059^2 + 505958^2 .

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

It is not a de Polignac number, because 258499401245 - 2¹⁰ = 258499400221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630486140 + ... + 630486549.

It is an arithmetic number, because the mean of its divisors is an integer number (39720639735).

Almost surely, 2^258499401245 is an apocalyptic number.

It is an amenable number.

258499401245 is a deficient number, since it is larger than the sum of its proper divisors (59265716635).

258499401245 is a wasteful number, since it uses less digits than its factorization.

258499401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260972735.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 258499401245 in words is "two hundred fifty-eight billion, four hundred ninety-nine million, four hundred one thousand, two hundred forty-five".