685032254 has 8 divisors (see below), whose sum is σ = 1042885128. Its totient is φ = 337403880.

The previous prime is 685032247. The next prime is 685032259. The reversal of 685032254 is 452230586.

685032254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685032259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555957 + ... + 2556224.

It is an arithmetic number, because the mean of its divisors is an integer number (130360641).

Almost surely, 2^685032254 is an apocalyptic number.

685032254 is a deficient number, since it is larger than the sum of its proper divisors (357852874).

685032254 is a wasteful number, since it uses less digits than its factorization.

685032254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112250.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 685032254 is about 26173.1208303481. The cubic root of 685032254 is about 881.5298174579.

The spelling of 685032254 in words is "six hundred eighty-five million, thirty-two thousand, two hundred fifty-four".