1976181052 has 6 divisors (see below), whose sum is σ = 3458316848. Its totient is φ = 988090524.

The previous prime is 1976181047. The next prime is 1976181059. The reversal of 1976181052 is 2501816791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1976180996 and 1976181014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976181059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247022628 + ... + 247022635.

Almost surely, 2^1976181052 is an apocalyptic number.

It is an amenable number.

1976181052 is a deficient number, since it is larger than the sum of its proper divisors (1482135796).

1976181052 is a wasteful number, since it uses less digits than its factorization.

1976181052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494045267 (or 494045265 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1976181052 is about 44454.2579737869. The cubic root of 1976181052 is about 1254.8993960720.

The spelling of 1976181052 in words is "one billion, nine hundred seventy-six million, one hundred eighty-one thousand, fifty-two".