52071265 has 16 divisors (see below), whose sum is σ = 63680256. Its totient is φ = 40867200.

The previous prime is 52071263. The next prime is 52071277. The reversal of 52071265 is 56217025.

It is not a de Polignac number, because 52071265 - 2¹ = 52071263 is a prime.

It is a super-2 number, since 2×52071265² = 5422833277400450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52071263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120600 + ... + 121030.

It is an arithmetic number, because the mean of its divisors is an integer number (3980016).

Almost surely, 2^52071265 is an apocalyptic number.

It is an amenable number.

52071265 is a deficient number, since it is larger than the sum of its proper divisors (11608991).

52071265 is a wasteful number, since it uses less digits than its factorization.

52071265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52071265 is about 7216.0421977702. The cubic root of 52071265 is about 373.4215490056.

Subtracting 52071265 from its reverse (56217025), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 52071265 in words is "fifty-two million, seventy-one thousand, two hundred sixty-five".