525453354525 has 24 divisors (see below), whose sum is σ = 947726779104. Its totient is φ = 254765262400.

The previous prime is 525453354523. The next prime is 525453354551.

It is a happy number.

525453354525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525453354525 - 2¹ = 525453354523 is a prime.

It is a super-2 number, since 2×525453354525² (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 (525453354523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318455754 + ... + 318457403.

It is an arithmetic number, because the mean of its divisors is an integer number (39488615796).

Almost surely, 2^525453354525 is an apocalyptic number.

525453354525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525453354525 is a deficient number, since it is larger than the sum of its proper divisors (422273424579).

525453354525 is a wasteful number, since it uses less digits than its factorization.

525453354525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636913181 (or 636913176 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 48.

It can be divided in two parts, 525453 and 354525, that added together give a palindrome (879978).

The spelling of 525453354525 in words is "five hundred twenty-five billion, four hundred fifty-three million, three hundred fifty-four thousand, five hundred twenty-five".