2480657 has 8 divisors (see below), whose sum is σ = 2640456. Its totient is φ = 2322432.

The previous prime is 2480617. The next prime is 2480663. The reversal of 2480657 is 7560842.

It can be written as a sum of positive squares in 4 ways, for example, as 96721 + 2383936 = 311^2 + 1544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2480657 - 2⁶ = 2480593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2480617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (330057).

2^2480657 is an apocalyptic number.

It is an amenable number.

2480657 is a deficient number, since it is larger than the sum of its proper divisors (159799).

2480657 is a wasteful number, since it uses less digits than its factorization.

2480657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2480657 is about 1575.0101586974. The cubic root of 2480657 is about 135.3699409705.

Subtracting from 2480657 its sum of digits (32), we obtain a square (2480625 = 1575²).

The spelling of 2480657 in words is "two million, four hundred eighty thousand, six hundred fifty-seven".