653223741 has 4 divisors (see below), whose sum is σ = 870964992. Its totient is φ = 435482492.

The previous prime is 653223737. The next prime is 653223749. The reversal of 653223741 is 147322356.

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.

It is a cyclic number.

It is not a de Polignac number, because 653223741 - 2² = 653223737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653223749) 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, 108870621 + ... + 108870626.

It is an arithmetic number, because the mean of its divisors is an integer number (217741248).

Almost surely, 2^653223741 is an apocalyptic number.

It is an amenable number.

653223741 is a deficient number, since it is larger than the sum of its proper divisors (217741251).

653223741 is a wasteful number, since it uses less digits than its factorization.

653223741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217741250.

The product of its digits is 30240, while the sum is 33.

The square root of 653223741 is about 25558.2421343879. The cubic root of 653223741 is about 867.6688112820.

The spelling of 653223741 in words is "six hundred fifty-three million, two hundred twenty-three thousand, seven hundred forty-one".