3513265520 has 20 divisors (see below), whose sum is σ = 8168342520. Its totient is φ = 1405306176.

The previous prime is 3513265519. The next prime is 3513265529. The reversal of 3513265520 is 255623153.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3513265520² = 24686069228041740800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513265529) 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, 21957830 + ... + 21957989.

It is an arithmetic number, because the mean of its divisors is an integer number (408417126).

Almost surely, 2^3513265520 is an apocalyptic number.

It is an amenable number.

3513265520 is an abundant number, since it is smaller than the sum of its proper divisors (4655077000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3513265520 is a wasteful number, since it uses less digits than its factorization.

3513265520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43915832 (or 43915826 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 3513265520 is about 59272.8059062501. The cubic root of 3513265520 is about 1520.2102548486.

Adding to 3513265520 its reverse (255623153), we get a palindrome (3768888673).

The spelling of 3513265520 in words is "three billion, five hundred thirteen million, two hundred sixty-five thousand, five hundred twenty".