3001002261 has 4 divisors (see below), whose sum is σ = 4001336352. Its totient is φ = 2000668172.

The previous prime is 3001002259. The next prime is 3001002287. The reversal of 3001002261 is 1622001003.

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 3001002261 - 2¹ = 3001002259 is a prime.

It is a super-2 number, since 2×3001002261² = 18012029141054224242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3001002261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001202261) 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, 500167041 + ... + 500167046.

It is an arithmetic number, because the mean of its divisors is an integer number (1000334088).

Almost surely, 2^3001002261 is an apocalyptic number.

It is an amenable number.

3001002261 is a deficient number, since it is larger than the sum of its proper divisors (1000334091).

3001002261 is a wasteful number, since it uses less digits than its factorization.

3001002261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000334090.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3001002261 is about 54781.4043357780. The cubic root of 3001002261 is about 1442.4101647020.

Adding to 3001002261 its reverse (1622001003), we get a palindrome (4623003264).

The spelling of 3001002261 in words is "three billion, one million, two thousand, two hundred sixty-one".