2602201561 has 4 divisors (see below), whose sum is σ = 2613665232. Its totient is φ = 2590737892.

The previous prime is 2602201529. The next prime is 2602201583. The reversal of 2602201561 is 1651022062.

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 2602201561 - 2⁵ = 2602201529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2602201061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731495 + ... + 5731948.

It is an arithmetic number, because the mean of its divisors is an integer number (653416308).

Almost surely, 2^2602201561 is an apocalyptic number.

It is an amenable number.

2602201561 is a deficient number, since it is larger than the sum of its proper divisors (11463671).

2602201561 is a wasteful number, since it uses less digits than its factorization.

2602201561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463670.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2602201561 is about 51011.7786496413. The cubic root of 2602201561 is about 1375.4568727065.

The spelling of 2602201561 in words is "two billion, six hundred two million, two hundred one thousand, five hundred sixty-one".