2690523 has 16 divisors (see below), whose sum is σ = 4348800. Its totient is φ = 1630440.

The previous prime is 2690507. The next prime is 2690531. The reversal of 2690523 is 3250962.

It is not a de Polignac number, because 2690523 - 2⁴ = 2690507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2690523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2690593) 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, 4233 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (271800).

2^2690523 is an apocalyptic number.

2690523 is a deficient number, since it is larger than the sum of its proper divisors (1658277).

2690523 is a wasteful number, since it uses less digits than its factorization.

2690523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2690523 is about 1640.2813783007. The cubic root of 2690523 is about 139.0845542516.

The spelling of 2690523 in words is "two million, six hundred ninety thousand, five hundred twenty-three".