2523147 has 16 divisors (see below), whose sum is σ = 3700992. Its totient is φ = 1516320.

The previous prime is 2523139. The next prime is 2523149. The reversal of 2523147 is 7413252.

It is not a de Polignac number, because 2523147 - 2³ = 2523139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2523149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4938 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (231312).

2^2523147 is an apocalyptic number.

2523147 is a deficient number, since it is larger than the sum of its proper divisors (1177845).

2523147 is a wasteful number, since it uses less digits than its factorization.

2523147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 1680, while the sum is 24.

The square root of 2523147 is about 1588.4416892036. The cubic root of 2523147 is about 136.1384655220.

Adding to 2523147 its reverse (7413252), we get a palindrome (9936399).

It can be divided in two parts, 2523 and 147, that multiplied together give a square (370881 = 609²).

The spelling of 2523147 in words is "two million, five hundred twenty-three thousand, one hundred forty-seven".