1652115971 has 12 divisors (see below), whose sum is σ = 1865047296. Its totient is φ = 1461327120.

The previous prime is 1652115929. The next prime is 1652116001. The reversal of 1652115971 is 1795112561.

It is a de Polignac number, because none of the positive numbers 2^k-1652115971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652115671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180035 + ... + 188988.

It is an arithmetic number, because the mean of its divisors is an integer number (155420608).

Almost surely, 2^1652115971 is an apocalyptic number.

1652115971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1652115971 is a deficient number, since it is larger than the sum of its proper divisors (212931325).

1652115971 is a wasteful number, since it uses less digits than its factorization.

1652115971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369082 (or 369071 counting only the distinct ones).

The product of its digits is 18900, while the sum is 38.

The square root of 1652115971 is about 40646.2294807280. The cubic root of 1652115971 is about 1182.1706600412.

The spelling of 1652115971 in words is "one billion, six hundred fifty-two million, one hundred fifteen thousand, nine hundred seventy-one".