653901 has 16 divisors (see below), whose sum is σ = 922944. Its totient is φ = 411264.

The previous prime is 653899. The next prime is 653903. The reversal of 653901 is 109356.

It is an interprime number because it is at equal distance from previous prime (653899) and next prime (653903).

It is not a de Polignac number, because 653901 - 2¹ = 653899 is a prime.

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 653901.

It is not an unprimeable number, because it can be changed into a prime (653903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (57684).

2⁶⁵³⁹⁰¹ is an apocalyptic number.

It is an amenable number.

653901 is a deficient number, since it is larger than the sum of its proper divisors (269043).

653901 is a wasteful number, since it uses less digits than its factorization.

653901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 653901 is about 808.6414533030. The cubic root of 653901 is about 86.7968572556.

The spelling of 653901 in words is "six hundred fifty-three thousand, nine hundred one".