65494253 has 4 divisors (see below), whose sum is σ = 71448288. Its totient is φ = 59540220.

The previous prime is 65494243. The next prime is 65494259. The reversal of 65494253 is 35249456.

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 65494253 - 2¹² = 65490157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65494259) 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, 2977001 + ... + 2977022.

It is an arithmetic number, because the mean of its divisors is an integer number (17862072).

Almost surely, 2^65494253 is an apocalyptic number.

It is an amenable number.

65494253 is a deficient number, since it is larger than the sum of its proper divisors (5954035).

65494253 is a wasteful number, since it uses less digits than its factorization.

65494253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954034.

The product of its digits is 129600, while the sum is 38.

The square root of 65494253 is about 8092.8519694852. The cubic root of 65494253 is about 403.0891091817.

The spelling of 65494253 in words is "sixty-five million, four hundred ninety-four thousand, two hundred fifty-three".