653240201 has 4 divisors (see below), whose sum is σ = 653302992. Its totient is φ = 653177412.

The previous prime is 653240183. The next prime is 653240239. The reversal of 653240201 is 102042356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 653240201 - 2¹⁴ = 653223817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653240101) 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, 11651 + ... + 37976.

It is an arithmetic number, because the mean of its divisors is an integer number (163325748).

Almost surely, 2^653240201 is an apocalyptic number.

It is an amenable number.

653240201 is a deficient number, since it is larger than the sum of its proper divisors (62791).

653240201 is a wasteful number, since it uses less digits than its factorization.

653240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62790.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 653240201 is about 25558.5641419858. The cubic root of 653240201 is about 867.6760990906.

Adding to 653240201 its reverse (102042356), we get a palindrome (755282557).

The spelling of 653240201 in words is "six hundred fifty-three million, two hundred forty thousand, two hundred one".