655106501 has 4 divisors (see below), whose sum is σ = 748693152. Its totient is φ = 561519852.

The previous prime is 655106489. The next prime is 655106519. The reversal of 655106501 is 105601556.

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 655106501 - 2¹⁸ = 654844357 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 (655106561) 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, 46793315 + ... + 46793328.

It is an arithmetic number, because the mean of its divisors is an integer number (187173288).

Almost surely, 2^655106501 is an apocalyptic number.

It is an amenable number.

655106501 is a deficient number, since it is larger than the sum of its proper divisors (93586651).

655106501 is an equidigital number, since it uses as much as digits as its factorization.

655106501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93586650.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 655106501 is about 25595.0483687763. The cubic root of 655106501 is about 868.5016270741.

The spelling of 655106501 in words is "six hundred fifty-five million, one hundred six thousand, five hundred one".