653253077 has 4 divisors (see below), whose sum is σ = 661123680. Its totient is φ = 645382476.

The previous prime is 653253053. The next prime is 653253131. The reversal of 653253077 is 770352356.

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 a de Polignac number, because none of the positive numbers 2^k-653253077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653253077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653253977) 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, 3935177 + ... + 3935342.

It is an arithmetic number, because the mean of its divisors is an integer number (165280920).

Almost surely, 2^653253077 is an apocalyptic number.

It is an amenable number.

653253077 is a deficient number, since it is larger than the sum of its proper divisors (7870603).

653253077 is an equidigital number, since it uses as much as digits as its factorization.

653253077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870602.

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 653253077 is about 25558.8160328291. The cubic root of 653253077 is about 867.6817999665.

The spelling of 653253077 in words is "six hundred fifty-three million, two hundred fifty-three thousand, seventy-seven".