2485391617 has 2 divisors, whose sum is σ = 2485391618. Its totient is φ = 2485391616.

The previous prime is 2485391581. The next prime is 2485391633. The reversal of 2485391617 is 7161935842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2431574721 + 53816896 = 49311^2 + 7336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2485391617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2485391717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242695808 + 1242695809.

It is an arithmetic number, because the mean of its divisors is an integer number (1242695809).

Almost surely, 2^2485391617 is an apocalyptic number.

It is an amenable number.

2485391617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485391617 is an equidigital number, since it uses as much as digits as its factorization.

2485391617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 2485391617 is about 49853.7021393597. The cubic root of 2485391617 is about 1354.5600923065.

The spelling of 2485391617 in words is "two billion, four hundred eighty-five million, three hundred ninety-one thousand, six hundred seventeen".