65392093 has 8 divisors (see below), whose sum is σ = 70590968. Its totient is φ = 60217344.

The previous prime is 65392039. The next prime is 65392139. The reversal of 65392093 is 39029356.

It can be written as a sum of positive squares in 4 ways, for example, as 702244 + 64689849 = 838^2 + 8043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65392093 - 2²¹ = 63294941 is a prime.

It is a super-2 number, since 2×65392093² = 8552251653841298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65392003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 11437.

It is an arithmetic number, because the mean of its divisors is an integer number (8823871).

Almost surely, 2^65392093 is an apocalyptic number.

It is an amenable number.

65392093 is a deficient number, since it is larger than the sum of its proper divisors (5198875).

65392093 is a wasteful number, since it uses less digits than its factorization.

65392093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 65392093 is about 8086.5377634684. The cubic root of 65392093 is about 402.8794164166.

The spelling of 65392093 in words is "sixty-five million, three hundred ninety-two thousand, ninety-three".