4245131523 has 16 divisors (see below), whose sum is σ = 6060471840. Its totient is φ = 2633680896.

The previous prime is 4245131521. The next prime is 4245131543. The reversal of 4245131523 is 3251315424.

4245131523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4245131523 - 2¹ = 4245131521 is a prime.

It is a super-2 number, since 2×4245131523² = 36042283295136599058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4245131521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463090 + ... + 472167.

It is an arithmetic number, because the mean of its divisors is an integer number (378779490).

Almost surely, 2^4245131523 is an apocalyptic number.

4245131523 is a deficient number, since it is larger than the sum of its proper divisors (1815340317).

4245131523 is a wasteful number, since it uses less digits than its factorization.

4245131523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935366.

The product of its digits is 14400, while the sum is 30.

The square root of 4245131523 is about 65154.6738384899. The cubic root of 4245131523 is about 1619.1871554712.

Adding to 4245131523 its reverse (3251315424), we get a palindrome (7496446947).

The spelling of 4245131523 in words is "four billion, two hundred forty-five million, one hundred thirty-one thousand, five hundred twenty-three".