2660523 has 8 divisors (see below), whose sum is σ = 3575808. Its totient is φ = 1759464.

The previous prime is 2660521. The next prime is 2660527. The reversal of 2660523 is 3250662.

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

It is not a de Polignac number, because 2660523 - 2¹ = 2660521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660493 and 2660502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660521) 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, 3111 + ... + 3872.

It is an arithmetic number, because the mean of its divisors is an integer number (446976).

2^2660523 is an apocalyptic number.

2660523 is a deficient number, since it is larger than the sum of its proper divisors (915285).

2660523 is a wasteful number, since it uses less digits than its factorization.

2660523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2660523 is about 1631.1109710869. The cubic root of 2660523 is about 138.5656784682.

The spelling of 2660523 in words is "two million, six hundred sixty thousand, five hundred twenty-three".