65454253 has 4 divisors (see below), whose sum is σ = 65594880. Its totient is φ = 65313628.

The previous prime is 65454241. The next prime is 65454271. The reversal of 65454253 is 35245456.

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 a de Polignac number, because none of the positive numbers 2^k-65454253 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 (65454223) 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, 69613 + ... + 70546.

It is an arithmetic number, because the mean of its divisors is an integer number (16398720).

Almost surely, 2^65454253 is an apocalyptic number.

It is an amenable number.

65454253 is a deficient number, since it is larger than the sum of its proper divisors (140627).

65454253 is a wasteful number, since it uses less digits than its factorization.

65454253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140626.

The product of its digits is 72000, while the sum is 34.

The square root of 65454253 is about 8090.3802753641. The cubic root of 65454253 is about 403.0070315073.

The spelling of 65454253 in words is "sixty-five million, four hundred fifty-four thousand, two hundred fifty-three".