1258563852 has 192 divisors, whose sum is σ = 4069273600. Its totient is φ = 327525120.

The previous prime is 1258563827. The next prime is 1258563881. The reversal of 1258563852 is 2583658521.

1258563852 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 5 + 638 + 5 + 2 = 666.

It is a super-2 number, since 2×1258563852² = 3167965939122155808, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1258563798 and 1258563807.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 775602 + ... + 777222.

Almost surely, 2^1258563852 is an apocalyptic number.

1258563852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258563852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034636800).

1258563852 is an abundant number, since it is smaller than the sum of its proper divisors (2810709748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1258563852 is a wasteful number, since it uses less digits than its factorization.

1258563852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1725 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1258563852 is about 35476.2434877201. The cubic root of 1258563852 is about 1079.6717829795.

The spelling of 1258563852 in words is "one billion, two hundred fifty-eight million, five hundred sixty-three thousand, eight hundred fifty-two".