525332453121421 has 16 divisors (see below), whose sum is σ = 573772041817920. Its totient is φ = 477006872094720.

The previous prime is 525332453121407. The next prime is 525332453121433. The reversal of 525332453121421 is 124121354233525.

It is not a de Polignac number, because 525332453121421 - 2⁴¹ = 523133429865869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525332453121521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24148411 + ... + 40420423.

It is an arithmetic number, because the mean of its divisors is an integer number (35860752613620).

Almost surely, 2^{525332453121421} is an apocalyptic number.

It is an amenable number.

525332453121421 is a deficient number, since it is larger than the sum of its proper divisors (48439588696499).

525332453121421 is a wasteful number, since it uses less digits than its factorization.

525332453121421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275516.

The product of its digits is 864000, while the sum is 43.

The spelling of 525332453121421 in words is "five hundred twenty-five trillion, three hundred thirty-two billion, four hundred fifty-three million, one hundred twenty-one thousand, four hundred twenty-one".