1005542052 has 12 divisors (see below), whose sum is σ = 2346264816. Its totient is φ = 335180680.

The previous prime is 1005541981. The next prime is 1005542059. The reversal of 1005542052 is 2502455001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1005542052² = 2022229636680741408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005542059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41897574 + ... + 41897597.

It is an arithmetic number, because the mean of its divisors is an integer number (195522068).

Almost surely, 2^1005542052 is an apocalyptic number.

1005542052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005542052 is an abundant number, since it is smaller than the sum of its proper divisors (1340722764).

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

1005542052 is a wasteful number, since it uses less digits than its factorization.

1005542052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83795178 (or 83795176 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1005542052 is about 31710.2830640157. The cubic root of 1005542052 is about 1001.8439484310.

Adding to 1005542052 its reverse (2502455001), we get a palindrome (3507997053).

The spelling of 1005542052 in words is "one billion, five million, five hundred forty-two thousand, fifty-two".