1012542523 has 2 divisors, whose sum is σ = 1012542524. Its totient is φ = 1012542522.

The previous prime is 1012542497. The next prime is 1012542541. The reversal of 1012542523 is 3252452101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012542523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012546523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506271261 + 506271262.

It is an arithmetic number, because the mean of its divisors is an integer number (506271262).

Almost surely, 2^1012542523 is an apocalyptic number.

1012542523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012542523 is an equidigital number, since it uses as much as digits as its factorization.

1012542523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1012542523 is about 31820.4733308604. The cubic root of 1012542523 is about 1004.1634823572.

Adding to 1012542523 its reverse (3252452101), we get a palindrome (4264994624).

The spelling of 1012542523 in words is "one billion, twelve million, five hundred forty-two thousand, five hundred twenty-three".