52609965 has 16 divisors (see below), whose sum is σ = 85192128. Its totient is φ = 27719936.

The previous prime is 52609961. The next prime is 52609969. The reversal of 52609965 is 56990625.

52609965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52609961) and next prime (52609969).

It is a cyclic number.

It is not a de Polignac number, because 52609965 - 2² = 52609961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609961) 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 15 ways as a sum of consecutive naturals, for example, 19884 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (5324508).

Almost surely, 2^52609965 is an apocalyptic number.

It is an amenable number.

52609965 is a deficient number, since it is larger than the sum of its proper divisors (32582163).

52609965 is a wasteful number, since it uses less digits than its factorization.

52609965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42348.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 52609965 is about 7253.2727096118. The cubic root of 52609965 is about 374.7048700119.

It can be divided in two parts, 5260 and 9965, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 52609965 in words is "fifty-two million, six hundred nine thousand, nine hundred sixty-five".