10538545 has 4 divisors (see below), whose sum is σ = 12646260. Its totient is φ = 8430832.

The previous prime is 10538533. The next prime is 10538551. The reversal of 10538545 is 54583501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 8567329 = 1404^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 10538545 - 2⁷ = 10538417 is a prime.

It is a super-2 number, since 2×10538545² = 222121861434050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053850 + ... + 1053859.

It is an arithmetic number, because the mean of its divisors is an integer number (3161565).

Almost surely, 2^10538545 is an apocalyptic number.

It is an amenable number.

10538545 is a deficient number, since it is larger than the sum of its proper divisors (2107715).

10538545 is an equidigital number, since it uses as much as digits as its factorization.

10538545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107714.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 10538545 is about 3246.3125234641. The cubic root of 10538545 is about 219.2435798877.

The spelling of 10538545 in words is "ten million, five hundred thirty-eight thousand, five hundred forty-five".