11325021 has 4 divisors (see below), whose sum is σ = 15100032. Its totient is φ = 7550012.

The previous prime is 11325019. The next prime is 11325023. The reversal of 11325021 is 12052311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12052311 = 3 ⋅4017437.

It is an interprime number because it is at equal distance from previous prime (11325019) and next prime (11325023).

It is a cyclic number.

It is not a de Polignac number, because 11325021 - 2¹ = 11325019 is a prime.

It is a super-2 number, since 2×11325021² = 256512201300882, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11325023) 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, 1887501 + ... + 1887506.

It is an arithmetic number, because the mean of its divisors is an integer number (3775008).

Almost surely, 2^11325021 is an apocalyptic number.

It is an amenable number.

11325021 is a deficient number, since it is larger than the sum of its proper divisors (3775011).

11325021 is an equidigital number, since it uses as much as digits as its factorization.

11325021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775010.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11325021 is about 3365.2668542034. The cubic root of 11325021 is about 224.5672075542.

Adding to 11325021 its reverse (12052311), we get a palindrome (23377332).

The spelling of 11325021 in words is "eleven million, three hundred twenty-five thousand, twenty-one".