2523474 has 40 divisors (see below), whose sum is σ = 5821068. Its totient is φ = 816480.

The previous prime is 2523473. The next prime is 2523481. The reversal of 2523474 is 4743252.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 42849 = 1575^2 + 207^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2523473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5784 + ... + 6204.

2^2523474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2910534).

2523474 is an abundant number, since it is smaller than the sum of its proper divisors (3297594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523474 is a wasteful number, since it uses less digits than its factorization.

2523474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 463 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2523474 is about 1588.5446169372. The cubic root of 2523474 is about 136.1443464523.

The spelling of 2523474 in words is "two million, five hundred twenty-three thousand, four hundred seventy-four".