2515189 has 2 divisors, whose sum is σ = 2515190. Its totient is φ = 2515188.

The previous prime is 2515169. The next prime is 2515193. The reversal of 2515189 is 9815152.

2515189 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., 2387025 + 128164 = 1545^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515189 - 2¹³ = 2506997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2515189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515159) 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, 1257594 + 1257595.

It is an arithmetic number, because the mean of its divisors is an integer number (1257595).

2^2515189 is an apocalyptic number.

It is an amenable number.

2515189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515189 is an equidigital number, since it uses as much as digits as its factorization.

2515189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 31.

The square root of 2515189 is about 1585.9347401454. The cubic root of 2515189 is about 135.9951879785.

It can be divided in two parts, 2515 and 189, that added together give a square (2704 = 52²).

The spelling of 2515189 in words is "two million, five hundred fifteen thousand, one hundred eighty-nine".