2598402061 has 2 divisors, whose sum is σ = 2598402062. Its totient is φ = 2598402060.

The previous prime is 2598402031. The next prime is 2598402091. The reversal of 2598402061 is 1602048952.

It is a balanced prime because it is at equal distance from previous prime (2598402031) and next prime (2598402091).

It can be written as a sum of positive squares in only one way, i.e., 2595902500 + 2499561 = 50950^2 + 1581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598402061 - 2¹⁷ = 2598270989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2598402061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2598402011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299201030 + 1299201031.

It is an arithmetic number, because the mean of its divisors is an integer number (1299201031).

Almost surely, 2^2598402061 is an apocalyptic number.

2598402061 is the 22797-th centered decagonal number.

It is an amenable number.

2598402061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598402061 is an equidigital number, since it uses as much as digits as its factorization.

2598402061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2598402061 is about 50974.5236466218. The cubic root of 2598402061 is about 1374.7871072707.

The spelling of 2598402061 in words is "two billion, five hundred ninety-eight million, four hundred two thousand, sixty-one".