2485257 has 16 divisors (see below), whose sum is σ = 3552000. Its totient is φ = 1540944.

The previous prime is 2485243. The next prime is 2485277. The reversal of 2485257 is 7525842.

It is not a de Polignac number, because 2485257 - 2⁶ = 2485193 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4¹⁰ + 8² + 5⁸ + 2¹⁹ + 5⁸ + 7 .

It is not an unprimeable number, because it can be changed into a prime (2485207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2994 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (222000).

2^2485257 is an apocalyptic number.

It is an amenable number.

2485257 is a deficient number, since it is larger than the sum of its proper divisors (1066743).

2485257 is a wasteful number, since it uses less digits than its factorization.

2485257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 22400, while the sum is 33.

The square root of 2485257 is about 1576.4697903861. The cubic root of 2485257 is about 135.4535636052.

The spelling of 2485257 in words is "two million, four hundred eighty-five thousand, two hundred fifty-seven".