523146481525 has 12 divisors (see below), whose sum is σ = 648712274400. Its totient is φ = 418510322480.

The previous prime is 523146481523. The next prime is 523146481573. The reversal of 523146481525 is 525184641325.

It is a happy number.

It is not a de Polignac number, because 523146481525 - 2¹ = 523146481523 is a prime.

It is a super-2 number, since 2×523146481525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523146481523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851066 + ... + 2114884.

It is an arithmetic number, because the mean of its divisors is an integer number (54059356200).

Almost surely, 2^523146481525 is an apocalyptic number.

It is an amenable number.

523146481525 is a deficient number, since it is larger than the sum of its proper divisors (125565792875).

523146481525 is a wasteful number, since it uses less digits than its factorization.

523146481525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343148 (or 343143 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The spelling of 523146481525 in words is "five hundred twenty-three billion, one hundred forty-six million, four hundred eighty-one thousand, five hundred twenty-five".