65870901 has 10 divisors (see below), whose sum is σ = 98399862. Its totient is φ = 43913880.

The previous prime is 65870879. The next prime is 65870927. The reversal of 65870901 is 10907856.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 12068676 = 7335^2 + 3474^2 .

It is not a de Polignac number, because 65870901 - 2⁷ = 65870773 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65870951) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 406530 + ... + 406691.

Almost surely, 2^65870901 is an apocalyptic number.

It is an amenable number.

65870901 is a deficient number, since it is larger than the sum of its proper divisors (32528961).

65870901 is an equidigital number, since it uses as much as digits as its factorization.

65870901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813233 (or 813224 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 65870901 is about 8116.0890211973. The cubic root of 65870901 is about 403.8603351001.

The spelling of 65870901 in words is "sixty-five million, eight hundred seventy thousand, nine hundred one".