65869901 has 4 divisors (see below), whose sum is σ = 66986400. Its totient is φ = 64753404.

The previous prime is 65869897. The next prime is 65869919. The reversal of 65869901 is 10996856.

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 65869901 - 2² = 65869897 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 (65869931) 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, 558161 + ... + 558278.

It is an arithmetic number, because the mean of its divisors is an integer number (16746600).

Almost surely, 2^65869901 is an apocalyptic number.

It is an amenable number.

65869901 is a deficient number, since it is larger than the sum of its proper divisors (1116499).

65869901 is a wasteful number, since it uses less digits than its factorization.

65869901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116498.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 65869901 is about 8116.0274149364. The cubic root of 65869901 is about 403.8582913936.

The spelling of 65869901 in words is "sixty-five million, eight hundred sixty-nine thousand, nine hundred one".