1835052381 has 16 divisors (see below), whose sum is σ = 2728638720. Its totient is φ = 1218849120.

The previous prime is 1835052379. The next prime is 1835052383. The reversal of 1835052381 is 1832505381.

1835052381 is a `hidden beast` number, since 1 + 8 + 3 + 50 + 523 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (1835052379) and next prime (1835052383).

It is not a de Polignac number, because 1835052381 - 2¹ = 1835052379 is a prime.

It is a super-2 number, since 2×1835052381² = 6734834482027538322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1835052383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118080 + ... + 132713.

It is an arithmetic number, because the mean of its divisors is an integer number (170539920).

Almost surely, 2^1835052381 is an apocalyptic number.

It is an amenable number.

1835052381 is a deficient number, since it is larger than the sum of its proper divisors (893586339).

1835052381 is a wasteful number, since it uses less digits than its factorization.

1835052381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251073 (or 251067 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1835052381 is about 42837.5113772964. The cubic root of 1835052381 is about 1224.2858268956.

The spelling of 1835052381 in words is "one billion, eight hundred thirty-five million, fifty-two thousand, three hundred eighty-one".