653954 has 12 divisors (see below), whose sum is σ = 1141254. Its totient is φ = 280224.

The previous prime is 653951. The next prime is 653963. The reversal of 653954 is 459356.

It is a happy number.

653954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 5929 = 805^2 + 77^2 .

It is a Curzon number.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 653954.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653954.

It is not an unprimeable number, because it can be changed into a prime (653951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3239 + ... + 3434.

2⁶⁵³⁹⁵⁴ is an apocalyptic number.

653954 is a deficient number, since it is larger than the sum of its proper divisors (487300).

653954 is a wasteful number, since it uses less digits than its factorization.

653954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689 (or 6682 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 653954 is about 808.6742236525. The cubic root of 653954 is about 86.7992022126.

The spelling of 653954 in words is "six hundred fifty-three thousand, nine hundred fifty-four".