1052862381 has 12 divisors (see below), whose sum is σ = 1577127552. Its totient is φ = 701908092.

The previous prime is 1052862373. The next prime is 1052862383. The reversal of 1052862381 is 1832682501.

It is a happy number.

1052862381 is a `hidden beast` number, since 1 + 0 + 5 + 28 + 623 + 8 + 1 = 666.

It is not a de Polignac number, because 1052862381 - 2³ = 1052862373 is a prime.

It is a super-2 number, since 2×1052862381² = 2217038386649978322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052862383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2166141 + ... + 2166626.

It is an arithmetic number, because the mean of its divisors is an integer number (131427296).

Almost surely, 2^1052862381 is an apocalyptic number.

It is an amenable number.

1052862381 is a deficient number, since it is larger than the sum of its proper divisors (524265171).

1052862381 is an frugal number, since it uses more digits than its factorization.

1052862381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332782 (or 4332770 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1052862381 is about 32447.8409297136. The cubic root of 1052862381 is about 1017.3191104484.

The spelling of 1052862381 in words is "one billion, fifty-two million, eight hundred sixty-two thousand, three hundred eighty-one".