653407 has 4 divisors (see below), whose sum is σ = 681840. Its totient is φ = 624976.

The previous prime is 653363. The next prime is 653431. The reversal of 653407 is 704356.

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

It is a cyclic number.

It is not a de Polignac number, because 653407 - 2¹⁵ = 620639 is a prime.

It is a d-powerful number, because it can be written as 6³ + 5 + 4⁶ + 3¹² + 0 + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14182 + ... + 14227.

It is an arithmetic number, because the mean of its divisors is an integer number (170460).

2⁶⁵³⁴⁰⁷ is an apocalyptic number.

653407 is a deficient number, since it is larger than the sum of its proper divisors (28433).

653407 is a wasteful number, since it uses less digits than its factorization.

653407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432.

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

The square root of 653407 is about 808.3359450130. The cubic root of 653407 is about 86.7749943897.

The spelling of 653407 in words is "six hundred fifty-three thousand, four hundred seven".