2457485 has 4 divisors (see below), whose sum is σ = 2948988. Its totient is φ = 1965984.

The previous prime is 2457473. The next prime is 2457487. The reversal of 2457485 is 5847542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 2019241 = 662^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2457485 - 2⁶ = 2457421 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 4⁹ + 5⁶ + 7³ + 4¹⁰ + 8⁴ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245744 + ... + 245753.

It is an arithmetic number, because the mean of its divisors is an integer number (737247).

2^2457485 is an apocalyptic number.

It is an amenable number.

2457485 is a deficient number, since it is larger than the sum of its proper divisors (491503).

2457485 is an equidigital number, since it uses as much as digits as its factorization.

2457485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491502.

The product of its digits is 44800, while the sum is 35.

The square root of 2457485 is about 1567.6367563948. The cubic root of 2457485 is about 134.9471214945.

The spelling of 2457485 in words is "two million, four hundred fifty-seven thousand, four hundred eighty-five".