2978575 has 12 divisors (see below), whose sum is σ = 3715288. Its totient is φ = 2368800.

The previous prime is 2978551. The next prime is 2978593. The reversal of 2978575 is 5758792.

It is not a de Polignac number, because 2978575 - 2⁵ = 2978543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6865 + ... + 7285.

2^2978575 is an apocalyptic number.

2978575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2978575 is a deficient number, since it is larger than the sum of its proper divisors (736713).

2978575 is a wasteful number, since it uses less digits than its factorization.

2978575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 2978575 is about 1725.8548606415. The cubic root of 2978575 is about 143.8808009204.

It can be divided in two parts, 2978 and 575, that added together give a palindrome (3553).

The spelling of 2978575 in words is "two million, nine hundred seventy-eight thousand, five hundred seventy-five".