2040315461 has 2 divisors, whose sum is σ = 2040315462. Its totient is φ = 2040315460.

The previous prime is 2040315451. The next prime is 2040315509. The reversal of 2040315461 is 1645130402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375964836 + 664350625 = 37094^2 + 25775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040315461 - 2⁶ = 2040315397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040315461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040315421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020157730 + 1020157731.

It is an arithmetic number, because the mean of its divisors is an integer number (1020157731).

Almost surely, 2^2040315461 is an apocalyptic number.

It is an amenable number.

2040315461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040315461 is an equidigital number, since it uses as much as digits as its factorization.

2040315461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2040315461 is about 45169.8512395159. The cubic root of 2040315461 is about 1268.3305115947.

Adding to 2040315461 its reverse (1645130402), we get a palindrome (3685445863).

The spelling of 2040315461 in words is "two billion, forty million, three hundred fifteen thousand, four hundred sixty-one".