611002201 has 4 divisors (see below), whose sum is σ = 627515812. Its totient is φ = 594488592.

The previous prime is 611002193. The next prime is 611002241. The reversal of 611002201 is 102200116.

611002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 518746176 + 92256025 = 22776^2 + 9605^2 .

It is a cyclic number.

It is not a de Polignac number, because 611002201 - 2³ = 611002193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611002241) 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, 8256750 + ... + 8256823.

It is an arithmetic number, because the mean of its divisors is an integer number (156878953).

Almost surely, 2^611002201 is an apocalyptic number.

It is an amenable number.

611002201 is a deficient number, since it is larger than the sum of its proper divisors (16513611).

611002201 is a wasteful number, since it uses less digits than its factorization.

611002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16513610.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 611002201 is about 24718.4587100410. The cubic root of 611002201 is about 848.5568133320.

Adding to 611002201 its reverse (102200116), we get a palindrome (713202317).

The spelling of 611002201 in words is "six hundred eleven million, two thousand, two hundred one".