648452 has 12 divisors (see below), whose sum is σ = 1296960. Its totient is φ = 277896.

The previous prime is 648449. The next prime is 648481. The reversal of 648452 is 254846.

648452 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (108080).

2⁶⁴⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

648452 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.

648452 is a wasteful number, since it uses less digits than its factorization.

648452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23170 (or 23168 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 648452 is about 805.2651737161. The cubic root of 648452 is about 86.5550898139. Note that the first 3 decimals are identical.

The spelling of 648452 in words is "six hundred forty-eight thousand, four hundred fifty-two".