2523069 has 14 divisors (see below), whose sum is σ = 3783966. Its totient is φ = 1681560.

The previous prime is 2523047. The next prime is 2523071. The reversal of 2523069 is 9603252.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 700569 = 1350^2 + 837^2 .

It is not a de Polignac number, because 2523069 - 2⁷ = 2522941 is a prime.

It is a super-2 number, since 2×2523069² = 12731754357522, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523569) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1002 + ... + 2459.

2^2523069 is an apocalyptic number.

It is an amenable number.

2523069 is a deficient number, since it is larger than the sum of its proper divisors (1260897).

2523069 is an frugal number, since it uses more digits than its factorization.

2523069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3464 counting only the distinct ones).

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

The square root of 2523069 is about 1588.4171366489. The cubic root of 2523069 is about 136.1370626562.

It can be divided in two parts, 252 and 3069, that added together give a triangular number (3321 = T₈₁).

The spelling of 2523069 in words is "two million, five hundred twenty-three thousand, sixty-nine".