652478 has 8 divisors (see below), whose sum is σ = 982800. Its totient is φ = 324880.

The previous prime is 652453. The next prime is 652493. The reversal of 652478 is 874256.

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

It is a super-3 number, since 3×652478³ = 833333562479758056, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2⁶⁵²⁴⁷⁸ is an apocalyptic number.

652478 is a deficient number, since it is larger than the sum of its proper divisors (330322).

652478 is a wasteful number, since it uses less digits than its factorization.

652478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its digits is 13440, while the sum is 32.

The square root of 652478 is about 807.7611032973. The cubic root of 652478 is about 86.7338499448.

The spelling of 652478 in words is "six hundred fifty-two thousand, four hundred seventy-eight".