2520315461 has 2 divisors, whose sum is σ = 2520315462. Its totient is φ = 2520315460.

The previous prime is 2520315409. The next prime is 2520315463. The reversal of 2520315461 is 1645130252.

2520315461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2491906561 + 28408900 = 49919^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520315461 - 2¹⁸ = 2520053317 is a prime.

Together with 2520315463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520315463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260157730 + 1260157731.

It is an arithmetic number, because the mean of its divisors is an integer number (1260157731).

Almost surely, 2^2520315461 is an apocalyptic number.

It is an amenable number.

2520315461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520315461 is an equidigital number, since it uses as much as digits as its factorization.

2520315461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2520315461 is about 50202.7435604868. The cubic root of 2520315461 is about 1360.8752045701.

The spelling of 2520315461 in words is "two billion, five hundred twenty million, three hundred fifteen thousand, four hundred sixty-one".