1652048971 has 4 divisors (see below), whose sum is σ = 1652182432. Its totient is φ = 1651915512.

The previous prime is 1652048947. The next prime is 1652048977. The reversal of 1652048971 is 1798402561.

It is a semiprime because it is the product of two primes.

It is a 3-Lehmer number, since φ(1652048971) divides (1652048971-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1652048971 - 2⁷ = 1652048843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652048977) 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 3 ways as a sum of consecutive naturals, for example, 46020 + ... + 73633.

It is an arithmetic number, because the mean of its divisors is an integer number (413045608).

Almost surely, 2^1652048971 is an apocalyptic number.

1652048971 is a deficient number, since it is larger than the sum of its proper divisors (133461).

1652048971 is a wasteful number, since it uses less digits than its factorization.

1652048971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133460.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1652048971 is about 40645.4052876829. The cubic root of 1652048971 is about 1182.1546792210.

The spelling of 1652048971 in words is "one billion, six hundred fifty-two million, forty-eight thousand, nine hundred seventy-one".