152325013302521 has 6 divisors (see below), whose sum is σ = 159235788953850. Its totient is φ = 145702186636688.

The previous prime is 152325013302509. The next prime is 152325013302713. The reversal of 152325013302521 is 125203310523251.

It can be written as a sum of positive squares in only one way, i.e., 140232111377296 + 12092901925225 = 11841964^2 + 3477485^2 .

It is a de Polignac number, because none of the positive numbers 2^k-152325013302521 is a prime.

It is a super-2 number, since 2×152325013302521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152325013302421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143974492196 + ... + 143974493253.

It is an arithmetic number, because the mean of its divisors is an integer number (26539298158975).

Almost surely, 2^{152325013302521} is an apocalyptic number.

It is an amenable number.

152325013302521 is a deficient number, since it is larger than the sum of its proper divisors (6910775651329).

152325013302521 is an equidigital number, since it uses as much as digits as its factorization.

152325013302521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287948985495 (or 287948985472 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 152325013302521 its reverse (125203310523251), we get a palindrome (277528323825772).

The spelling of 152325013302521 in words is "one hundred fifty-two trillion, three hundred twenty-five billion, thirteen million, three hundred two thousand, five hundred twenty-one".