2515417 has 2 divisors, whose sum is σ = 2515418. Its totient is φ = 2515416.

The previous prime is 2515411. The next prime is 2515427. The reversal of 2515417 is 7145152.

2515417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 866761 = 1284^2 + 931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2515417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2515391 and 2515400.

It is not a weakly prime, because it can be changed into another prime (2515411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257708 + 1257709.

It is an arithmetic number, because the mean of its divisors is an integer number (1257709).

2^2515417 is an apocalyptic number.

It is an amenable number.

2515417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515417 is an equidigital number, since it uses as much as digits as its factorization.

2515417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 25.

The square root of 2515417 is about 1586.0066204149. The cubic root of 2515417 is about 135.9992971417. Note that the first 3 decimals are identical.

The spelling of 2515417 in words is "two million, five hundred fifteen thousand, four hundred seventeen".