655350901 has 8 divisors (see below), whose sum is σ = 696095640. Its totient is φ = 614850048.

The previous prime is 655350889. The next prime is 655350911. The reversal of 655350901 is 109053556.

It can be written as a sum of positive squares in 4 ways, for example, as 6426225 + 648924676 = 2535^2 + 25474^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655350901 - 2²¹ = 653253749 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 (655350911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55416 + ... + 66193.

It is an arithmetic number, because the mean of its divisors is an integer number (87011955).

Almost surely, 2^655350901 is an apocalyptic number.

It is an amenable number.

655350901 is a deficient number, since it is larger than the sum of its proper divisors (40744739).

655350901 is a wasteful number, since it uses less digits than its factorization.

655350901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121943.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 655350901 is about 25599.8222845394. The cubic root of 655350901 is about 868.6096173559.

The spelling of 655350901 in words is "six hundred fifty-five million, three hundred fifty thousand, nine hundred one".