10523505 has 16 divisors (see below), whose sum is σ = 16942464. Its totient is φ = 5577600.

The previous prime is 10523501. The next prime is 10523509. The reversal of 10523505 is 50532501.

It is an interprime number because it is at equal distance from previous prime (10523501) and next prime (10523509).

It is not a de Polignac number, because 10523505 - 2² = 10523501 is a prime.

It is a super-2 number, since 2×10523505² = 221488314970050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10523501) 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, 405 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (1058904).

Almost surely, 2^10523505 is an apocalyptic number.

10523505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10523505 is a deficient number, since it is larger than the sum of its proper divisors (6418959).

10523505 is a wasteful number, since it uses less digits than its factorization.

10523505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 10523505 is about 3243.9952219447. The cubic root of 10523505 is about 219.1392329936.

The spelling of 10523505 in words is "ten million, five hundred twenty-three thousand, five hundred five".