2521130461 has 2 divisors, whose sum is σ = 2521130462. Its totient is φ = 2521130460.

The previous prime is 2521130453. The next prime is 2521130473. The reversal of 2521130461 is 1640311252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2421230436 + 99900025 = 49206^2 + 9995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521130461 - 2³ = 2521130453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521130411) 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, 1260565230 + 1260565231.

It is an arithmetic number, because the mean of its divisors is an integer number (1260565231).

Almost surely, 2^2521130461 is an apocalyptic number.

It is an amenable number.

2521130461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521130461 is an equidigital number, since it uses as much as digits as its factorization.

2521130461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2521130461 is about 50210.8599906435. The cubic root of 2521130461 is about 1361.0218785055.

The spelling of 2521130461 in words is "two billion, five hundred twenty-one million, one hundred thirty thousand, four hundred sixty-one".