34513052521 has 4 divisors (see below), whose sum is σ = 34518110292. Its totient is φ = 34507994752.

The previous prime is 34513052507. The next prime is 34513052579. The reversal of 34513052521 is 12525031543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12525031543 = 199 ⋅62939857.

It can be written as a sum of positive squares in 2 ways, for example, as 10901656921 + 23611395600 = 104411^2 + 153660^2 .

It is a cyclic number.

It is not a de Polignac number, because 34513052521 - 2¹⁹ = 34512528233 is a prime.

It is a super-3 number, since 3×34513052521³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34513052621) 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, 2518636 + ... + 2532301.

It is an arithmetic number, because the mean of its divisors is an integer number (8629527573).

Almost surely, 2^34513052521 is an apocalyptic number.

It is an amenable number.

34513052521 is a deficient number, since it is larger than the sum of its proper divisors (5057771).

34513052521 is an equidigital number, since it uses as much as digits as its factorization.

34513052521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057770.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 34513052521 in words is "thirty-four billion, five hundred thirteen million, fifty-two thousand, five hundred twenty-one".