653047 has 4 divisors (see below), whose sum is σ = 654840. Its totient is φ = 651256.

The previous prime is 653033. The next prime is 653057. The reversal of 653047 is 740356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653047 is a prime.

It is a Duffinian number.

653047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653057) 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, 133 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (163710).

2⁶⁵³⁰⁴⁷ is an apocalyptic number.

653047 is a deficient number, since it is larger than the sum of its proper divisors (1793).

653047 is a wasteful number, since it uses less digits than its factorization.

653047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 653047 is about 808.1132346398. The cubic root of 653047 is about 86.7590549947.

The spelling of 653047 in words is "six hundred fifty-three thousand, forty-seven".