10505357 has 4 divisors (see below), whose sum is σ = 10649340. Its totient is φ = 10361376.

The previous prime is 10505353. The next prime is 10505377. The reversal of 10505357 is 75350501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75350501 = 109 ⋅691289.

It can be written as a sum of positive squares in 2 ways, for example, as 4605316 + 5900041 = 2146^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 10505357 - 2² = 10505353 is a prime.

It is a super-2 number, since 2×10505357² = 220725051394898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505351) 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, 71882 + ... + 72027.

It is an arithmetic number, because the mean of its divisors is an integer number (2662335).

Almost surely, 2^10505357 is an apocalyptic number.

It is an amenable number.

10505357 is a deficient number, since it is larger than the sum of its proper divisors (143983).

10505357 is an equidigital number, since it uses as much as digits as its factorization.

10505357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143982.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 10505357 is about 3241.1968468453. The cubic root of 10505357 is about 219.0131904790.

Adding to 10505357 its reverse (75350501), we get a palindrome (85855858).

The spelling of 10505357 in words is "ten million, five hundred five thousand, three hundred fifty-seven".