10537321 has 4 divisors (see below), whose sum is σ = 10549332. Its totient is φ = 10525312.

The previous prime is 10537313. The next prime is 10537327. The reversal of 10537321 is 12373501.

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 3111696 + 7425625 = 1764^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 10537321 - 2³ = 10537313 is a prime.

It is a super-2 number, since 2×10537321² = 222070267714082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10537292 and 10537301.

It is not an unprimeable number, because it can be changed into a prime (10537327) 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, 4576 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (2637333).

Almost surely, 2^10537321 is an apocalyptic number.

It is an amenable number.

10537321 is a deficient number, since it is larger than the sum of its proper divisors (12011).

10537321 is an equidigital number, since it uses as much as digits as its factorization.

10537321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 10537321 is about 3246.1239963994. The cubic root of 10537321 is about 219.2350915390.

The spelling of 10537321 in words is "ten million, five hundred thirty-seven thousand, three hundred twenty-one".