653045 has 8 divisors (see below), whose sum is σ = 788640. Its totient is φ = 519120.

The previous prime is 653033. The next prime is 653057. The reversal of 653045 is 540356.

It is an interprime number because it is at equal distance from previous prime (653033) and next prime (653057).

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

It is a de Polignac number, because none of the positive numbers 2^k-653045 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 653045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (98580).

2⁶⁵³⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

653045 is a deficient number, since it is larger than the sum of its proper divisors (135595).

653045 is a wasteful number, since it uses less digits than its factorization.

653045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 653045 is about 808.1119971885. Note that the first 3 decimals coincide. The cubic root of 653045 is about 86.7589664261.

The spelling of 653045 in words is "six hundred fifty-three thousand, forty-five".