153325525321 has 4 divisors (see below), whose sum is σ = 153451928452. Its totient is φ = 153199122192.

The previous prime is 153325525307. The next prime is 153325525337. The reversal of 153325525321 is 123525523351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123525523351 = 21401 ⋅5771951.

It can be written as a sum of positive squares in 2 ways, for example, as 64688326921 + 88637198400 = 254339^2 + 297720^2 .

It is a cyclic number.

It is not a de Polignac number, because 153325525321 - 2⁵ = 153325525289 is a prime.

It is a super-2 number, since 2×153325525321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153325525121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63199746 + ... + 63202171.

It is an arithmetic number, because the mean of its divisors is an integer number (38362982113).

Almost surely, 2^153325525321 is an apocalyptic number.

It is an amenable number.

153325525321 is a deficient number, since it is larger than the sum of its proper divisors (126403131).

153325525321 is a wasteful number, since it uses less digits than its factorization.

153325525321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126403130.

The product of its digits is 135000, while the sum is 37.

The spelling of 153325525321 in words is "one hundred fifty-three billion, three hundred twenty-five million, five hundred twenty-five thousand, three hundred twenty-one".