65389254 has 32 divisors (see below), whose sum is σ = 149706240. Its totient is φ = 18652032.

The previous prime is 65389213. The next prime is 65389271. The reversal of 65389254 is 45298356.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41607 + ... + 43149.

It is an arithmetic number, because the mean of its divisors is an integer number (4678320).

Almost surely, 2^65389254 is an apocalyptic number.

65389254 is an abundant number, since it is smaller than the sum of its proper divisors (84316986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65389254 is a wasteful number, since it uses less digits than its factorization.

65389254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its digits is 259200, while the sum is 42.

The square root of 65389254 is about 8086.3622229034. The cubic root of 65389254 is about 402.8735859909.

The spelling of 65389254 in words is "sixty-five million, three hundred eighty-nine thousand, two hundred fifty-four".