10513505 has 16 divisors (see below), whose sum is σ = 12968640. Its totient is φ = 8179392.

The previous prime is 10513501. The next prime is 10513511. The reversal of 10513505 is 50531501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10513505 - 2² = 10513501 is a prime.

It is a super-2 number, since 2×10513505² = 221067574770050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10513501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46202 + ... + 46428.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 2^10513505 is an apocalyptic number.

It is an amenable number.

10513505 is a deficient number, since it is larger than the sum of its proper divisors (2455135).

10513505 is a wasteful number, since it uses less digits than its factorization.

10513505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 10513505 is about 3242.4535463133. The cubic root of 10513505 is about 219.0697983701.

The spelling of 10513505 in words is "ten million, five hundred thirteen thousand, five hundred five".