52635231 has 16 divisors (see below), whose sum is σ = 85067520. Its totient is φ = 31899960.

The previous prime is 52635221. The next prime is 52635313. The reversal of 52635231 is 13253625.

52635231 is a `hidden beast` number, since 5 + 2 + 635 + 23 + 1 = 666.

It is not a de Polignac number, because 52635231 - 2¹⁵ = 52602463 is a prime.

It is a super-2 number, since 2×52635231² = 5540935084846722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52635195 and 52635204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52635221) 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, 88315 + ... + 88908.

It is an arithmetic number, because the mean of its divisors is an integer number (5316720).

Almost surely, 2^52635231 is an apocalyptic number.

52635231 is a deficient number, since it is larger than the sum of its proper divisors (32432289).

52635231 is a wasteful number, since it uses less digits than its factorization.

52635231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177243 (or 177237 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52635231 is about 7255.0141970916. The cubic root of 52635231 is about 374.7648445693.

Adding to 52635231 its reverse (13253625), we get a palindrome (65888856).

The spelling of 52635231 in words is "fifty-two million, six hundred thirty-five thousand, two hundred thirty-one".