65252478 has 8 divisors (see below), whose sum is σ = 130504968. Its totient is φ = 21750824.

The previous prime is 65252471. The next prime is 65252483. The reversal of 65252478 is 87425256.

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

65252478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5437701 + ... + 5437712.

It is an arithmetic number, because the mean of its divisors is an integer number (16313121).

Almost surely, 2^65252478 is an apocalyptic number.

65252478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65252478 is a wasteful number, since it uses less digits than its factorization.

65252478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875418.

The product of its digits is 134400, while the sum is 39.

The square root of 65252478 is about 8077.9005935948. The cubic root of 65252478 is about 402.5924903508.

The spelling of 65252478 in words is "sixty-five million, two hundred fifty-two thousand, four hundred seventy-eight".