2557475 has 6 divisors (see below), whose sum is σ = 3171300. Its totient is φ = 2045960.

The previous prime is 2557453. The next prime is 2557501. The reversal of 2557475 is 5747552.

It is a happy number.

It is not a de Polignac number, because 2557475 - 2¹⁰ = 2556451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51125 + ... + 51174.

It is an arithmetic number, because the mean of its divisors is an integer number (528550).

2^2557475 is an apocalyptic number.

2557475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2557475 is a deficient number, since it is larger than the sum of its proper divisors (613825).

2557475 is a wasteful number, since it uses less digits than its factorization.

2557475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102309 (or 102304 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 2557475 is about 1599.2107428354. The cubic root of 2557475 is about 136.7530850092.

The spelling of 2557475 in words is "two million, five hundred fifty-seven thousand, four hundred seventy-five".