65874825 has 18 divisors (see below), whose sum is σ = 117989534. Its totient is φ = 35133120.

The previous prime is 65874811. The next prime is 65874841. The reversal of 65874825 is 52847856.

65874825 is a `hidden beast` number, since 6 + 587 + 48 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 12467961 + 53406864 = 3531^2 + 7308^2 .

It is not a de Polignac number, because 65874825 - 2⁵ = 65874793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 146164 + ... + 146613.

Almost surely, 2^65874825 is an apocalyptic number.

It is an amenable number.

65874825 is a deficient number, since it is larger than the sum of its proper divisors (52114709).

65874825 is a wasteful number, since it uses less digits than its factorization.

65874825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292793 (or 292785 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 65874825 is about 8116.3307596475. The cubic root of 65874825 is about 403.8683544049.

The spelling of 65874825 in words is "sixty-five million, eight hundred seventy-four thousand, eight hundred twenty-five".