655264101 has 4 divisors (see below), whose sum is σ = 873685472. Its totient is φ = 436842732.

The previous prime is 655264097. The next prime is 655264109. The reversal of 655264101 is 101462556.

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 not a de Polignac number, because 655264101 - 2² = 655264097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655264109) 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, 109210681 + ... + 109210686.

It is an arithmetic number, because the mean of its divisors is an integer number (218421368).

Almost surely, 2^655264101 is an apocalyptic number.

It is an amenable number.

655264101 is a deficient number, since it is larger than the sum of its proper divisors (218421371).

655264101 is a wasteful number, since it uses less digits than its factorization.

655264101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218421370.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 655264101 is about 25598.1269041311. The cubic root of 655264101 is about 868.5712670901.

The spelling of 655264101 in words is "six hundred fifty-five million, two hundred sixty-four thousand, one hundred one".