65975253 has 4 divisors (see below), whose sum is σ = 87967008. Its totient is φ = 43983500.

The previous prime is 65975243. The next prime is 65975257. The reversal of 65975253 is 35257956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65975253 - 2¹⁴ = 65958869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65975257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10995873 + ... + 10995878.

It is an arithmetic number, because the mean of its divisors is an integer number (21991752).

Almost surely, 2^65975253 is an apocalyptic number.

It is an amenable number.

65975253 is a deficient number, since it is larger than the sum of its proper divisors (21991755).

65975253 is a wasteful number, since it uses less digits than its factorization.

65975253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21991754.

The product of its digits is 283500, while the sum is 42.

The square root of 65975253 is about 8122.5151892748. The cubic root of 65975253 is about 404.0734863708.

It can be divided in two parts, 6597525 and 3, that added together give a triangular number (6597528 = T₃₆₃₂).

The spelling of 65975253 in words is "sixty-five million, nine hundred seventy-five thousand, two hundred fifty-three".