2545523 has 2 divisors, whose sum is σ = 2545524. Its totient is φ = 2545522.

The previous prime is 2545519. The next prime is 2545553. The reversal of 2545523 is 3255452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545523 - 2² = 2545519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545492 and 2545501.

It is not a weakly prime, because it can be changed into another prime (2545513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272761 + 1272762.

It is an arithmetic number, because the mean of its divisors is an integer number (1272762).

2^2545523 is an apocalyptic number.

2545523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545523 is an equidigital number, since it uses as much as digits as its factorization.

2545523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 26.

The square root of 2545523 is about 1595.4695233692. The cubic root of 2545523 is about 136.5397201782.

The spelling of 2545523 in words is "two million, five hundred forty-five thousand, five hundred twenty-three".