2006902061 has 2 divisors, whose sum is σ = 2006902062. Its totient is φ = 2006902060.

The previous prime is 2006902049. The next prime is 2006902067. The reversal of 2006902061 is 1602096002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225420036 + 781482025 = 35006^2 + 27955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006902061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006902061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006902067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003451030 + 1003451031.

It is an arithmetic number, because the mean of its divisors is an integer number (1003451031).

Almost surely, 2^2006902061 is an apocalyptic number.

It is an amenable number.

2006902061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006902061 is an equidigital number, since it uses as much as digits as its factorization.

2006902061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2006902061 is about 44798.4604757797. The cubic root of 2006902061 is about 1261.3687278332.

Adding to 2006902061 its reverse (1602096002), we get a palindrome (3608998063).

The spelling of 2006902061 in words is "two billion, six million, nine hundred two thousand, sixty-one".