2715245 has 16 divisors (see below), whose sum is σ = 3606960. Its totient is φ = 1949184.

The previous prime is 2715221. The next prime is 2715247. The reversal of 2715245 is 5425172.

It can be written as a sum of positive squares in 8 ways, for example, as 212521 + 2502724 = 461^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2715245 - 2¹⁰ = 2714221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2715247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841 + ... + 2969.

It is an arithmetic number, because the mean of its divisors is an integer number (225435).

2^2715245 is an apocalyptic number.

It is an amenable number.

2715245 is a deficient number, since it is larger than the sum of its proper divisors (891715).

2715245 is a wasteful number, since it uses less digits than its factorization.

2715245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its digits is 2800, while the sum is 26.

The square root of 2715245 is about 1647.8000485496. The cubic root of 2715245 is about 139.5092511518.

The spelling of 2715245 in words is "two million, seven hundred fifteen thousand, two hundred forty-five".