2515478071 has 2 divisors, whose sum is σ = 2515478072. Its totient is φ = 2515478070.

The previous prime is 2515478003. The next prime is 2515478123. The reversal of 2515478071 is 1708745152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2515478071 - 2²⁹ = 1978607159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515478671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257739035 + 1257739036.

It is an arithmetic number, because the mean of its divisors is an integer number (1257739036).

Almost surely, 2^2515478071 is an apocalyptic number.

2515478071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515478071 is an equidigital number, since it uses as much as digits as its factorization.

2515478071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 2515478071 is about 50154.5418780792. The cubic root of 2515478071 is about 1360.0039776051.

The spelling of 2515478071 in words is "two billion, five hundred fifteen million, four hundred seventy-eight thousand, seventy-one".