2603400461 has 2 divisors, whose sum is σ = 2603400462. Its totient is φ = 2603400460.

The previous prime is 2603400433. The next prime is 2603400473. The reversal of 2603400461 is 1640043062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2600490025 + 2910436 = 50995^2 + 1706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2603400461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2603400461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2603400421) 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 as a sum of consecutive naturals, namely, 1301700230 + 1301700231.

It is an arithmetic number, because the mean of its divisors is an integer number (1301700231).

Almost surely, 2^2603400461 is an apocalyptic number.

It is an amenable number.

2603400461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2603400461 is an equidigital number, since it uses as much as digits as its factorization.

2603400461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2603400461 is about 51023.5285040147. The cubic root of 2603400461 is about 1375.6680761843.

The spelling of 2603400461 in words is "two billion, six hundred three million, four hundred thousand, four hundred sixty-one".