652109271 has 32 divisors (see below), whose sum is σ = 991941120. Its totient is φ = 377203200.

The previous prime is 652109267. The next prime is 652109281. The reversal of 652109271 is 172901256.

It is not a de Polignac number, because 652109271 - 2² = 652109267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652109261) 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 31 ways as a sum of consecutive naturals, for example, 577035 + ... + 578163.

It is an arithmetic number, because the mean of its divisors is an integer number (30998160).

Almost surely, 2^652109271 is an apocalyptic number.

652109271 is a deficient number, since it is larger than the sum of its proper divisors (339831849).

652109271 is a wasteful number, since it uses less digits than its factorization.

652109271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 652109271 is about 25536.4302712811. The cubic root of 652109271 is about 867.1750849361.

The spelling of 652109271 in words is "six hundred fifty-two million, one hundred nine thousand, two hundred seventy-one".