10661523 has 8 divisors (see below), whose sum is σ = 14327808. Its totient is φ = 7051464.

The previous prime is 10661507. The next prime is 10661543. The reversal of 10661523 is 32516601.

10661523 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 not a de Polignac number, because 10661523 - 2⁴ = 10661507 is a prime.

It is a super-2 number, since 2×10661523² = 227336145359058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661493 and 10661502.

It is not an unprimeable number, because it can be changed into a prime (10661503) 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, 13611 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (1790976).

Almost surely, 2^10661523 is an apocalyptic number.

10661523 is a deficient number, since it is larger than the sum of its proper divisors (3666285).

10661523 is a wasteful number, since it uses less digits than its factorization.

10661523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28113.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10661523 is about 3265.1987688348. The cubic root of 10661523 is about 220.0930942099.

The spelling of 10661523 in words is "ten million, six hundred sixty-one thousand, five hundred twenty-three".