2602002061 has 8 divisors (see below), whose sum is σ = 2693352600. Its totient is φ = 2510760000.

The previous prime is 2602002047. The next prime is 2602002077. The reversal of 2602002061 is 1602002062.

It can be written as a sum of positive squares in 4 ways, for example, as 42653961 + 2559348100 = 6531^2 + 50590^2 .

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 2602002061 - 2¹⁷ = 2601870989 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 (2602002461) 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 7 ways as a sum of consecutive naturals, for example, 23311 + ... + 75811.

It is an arithmetic number, because the mean of its divisors is an integer number (336669075).

Almost surely, 2^2602002061 is an apocalyptic number.

It is an amenable number.

2602002061 is a deficient number, since it is larger than the sum of its proper divisors (91350539).

2602002061 is a wasteful number, since it uses less digits than its factorization.

2602002061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54239.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2602002061 is about 51009.8231814226. The cubic root of 2602002061 is about 1375.4217216172.

Subtracting from 2602002061 its reverse (1602002062), we obtain a palindrome (999999999).

The spelling of 2602002061 in words is "two billion, six hundred two million, two thousand, sixty-one".