653223701 has 6 divisors (see below), whose sum is σ = 707337090. Its totient is φ = 602975568.

The previous prime is 653223677. The next prime is 653223737. The reversal of 653223701 is 107322356.

It can be written as a sum of positive squares in 3 ways, for example, as 421201 + 652802500 = 649^2 + 25550^2 .

It is not a de Polignac number, because 653223701 - 2¹⁰ = 653222677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653223761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1932446 + ... + 1932783.

It is an arithmetic number, because the mean of its divisors is an integer number (117889515).

Almost surely, 2^653223701 is an apocalyptic number.

It is an amenable number.

653223701 is a deficient number, since it is larger than the sum of its proper divisors (54113389).

653223701 is a wasteful number, since it uses less digits than its factorization.

653223701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865255 (or 3865242 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 653223701 is about 25558.2413518614. The cubic root of 653223701 is about 867.6687935715.

The spelling of 653223701 in words is "six hundred fifty-three million, two hundred twenty-three thousand, seven hundred one".