653404213 has 8 divisors (see below), whose sum is σ = 814633920. Its totient is φ = 509146080.

The previous prime is 653404177. The next prime is 653404223. The reversal of 653404213 is 312404356.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653404213 is a prime.

It is a super-2 number, since 2×653404213² = 853874131132298738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653404223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242808 + ... + 4242961.

It is an arithmetic number, because the mean of its divisors is an integer number (101829240).

Almost surely, 2^653404213 is an apocalyptic number.

It is an amenable number.

653404213 is a deficient number, since it is larger than the sum of its proper divisors (161229707).

653404213 is a wasteful number, since it uses less digits than its factorization.

653404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485787.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 653404213 is about 25561.7724933151. The cubic root of 653404213 is about 867.7487101473.

Adding to 653404213 its reverse (312404356), we get a palindrome (965808569).

The spelling of 653404213 in words is "six hundred fifty-three million, four hundred four thousand, two hundred thirteen".