1258048513 has 6 divisors (see below), whose sum is σ = 1273395314. Its totient is φ = 1242884496.

The previous prime is 1258048487. The next prime is 1258048529. The reversal of 1258048513 is 3158408521.

It can be written as a sum of positive squares in only one way, i.e., 1209439729 + 48608784 = 34777^2 + 6972^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1258048513 is a prime.

It is a super-2 number, since 2×1258048513² = 3165372122123022338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258048543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84420 + ... + 98197.

Almost surely, 2^1258048513 is an apocalyptic number.

It is an amenable number.

1258048513 is a deficient number, since it is larger than the sum of its proper divisors (15346801).

1258048513 is an frugal number, since it uses more digits than its factorization.

1258048513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182783 (or 182700 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 1258048513 is about 35468.9795878032. The cubic root of 1258048513 is about 1079.5243999298.

The spelling of 1258048513 in words is "one billion, two hundred fifty-eight million, forty-eight thousand, five hundred thirteen".