10510505 has 8 divisors (see below), whose sum is σ = 13354632. Its totient is φ = 7913728.

The previous prime is 10510501. The next prime is 10510531. The reversal of 10510505 is 50501501.

It can be written as a sum of positive squares in 4 ways, for example, as 3182656 + 7327849 = 1784^2 + 2707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10510505 - 2² = 10510501 is a prime.

It is a super-2 number, since 2×10510505² = 220941430710050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10510501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61742 + ... + 61911.

It is an arithmetic number, because the mean of its divisors is an integer number (1669329).

Almost surely, 2^10510505 is an apocalyptic number.

It is an amenable number.

10510505 is a deficient number, since it is larger than the sum of its proper divisors (2844127).

10510505 is a wasteful number, since it uses less digits than its factorization.

10510505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123675.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 10510505 is about 3241.9909006658. The cubic root of 10510505 is about 219.0489593978.

The spelling of 10510505 in words is "ten million, five hundred ten thousand, five hundred five".