2500523 has 2 divisors, whose sum is σ = 2500524. Its totient is φ = 2500522.

The previous prime is 2500441. The next prime is 2500529. The reversal of 2500523 is 3250052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500529) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250261 + 1250262.

It is an arithmetic number, because the mean of its divisors is an integer number (1250262).

2^2500523 is an apocalyptic number.

2500523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500523 is an equidigital number, since it uses as much as digits as its factorization.

2500523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2500523 is about 1581.3042085570. The cubic root of 2500523 is about 135.7303444393.

Adding to 2500523 its reverse (3250052), we get a palindrome (5750575).

The spelling of 2500523 in words is "two million, five hundred thousand, five hundred twenty-three".