10309505 has 8 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 8200816.

The previous prime is 10309487. The next prime is 10309511. The reversal of 10309505 is 50590301.

10309505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10309505 - 2¹⁶ = 10243969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4865 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 2^10309505 is an apocalyptic number.

It is an amenable number.

10309505 is a deficient number, since it is larger than the sum of its proper divisors (2132095).

10309505 is a wasteful number, since it uses less digits than its factorization.

10309505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 10309505 is about 3210.8417899361. The cubic root of 10309505 is about 217.6436185380.

Adding to 10309505 its reverse (50590301), we get a palindrome (60899806).

The spelling of 10309505 in words is "ten million, three hundred nine thousand, five hundred five".