925213 has 4 divisors (see below), whose sum is σ = 928188. Its totient is φ = 922240.

The previous prime is 925193. The next prime is 925217. The reversal of 925213 is 312529.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312529 = 7 ⋅44647.

It can be written as a sum of positive squares in 2 ways, for example, as 580644 + 344569 = 762^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 925213 - 2⁵ = 925181 is a prime.

It is a super-4 number, since 4×925213⁴ (a number of 25 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (925217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (232047).

2⁹²⁵²¹³ is an apocalyptic number.

It is an amenable number.

925213 is a deficient number, since it is larger than the sum of its proper divisors (2975).

925213 is a wasteful number, since it uses less digits than its factorization.

925213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974.

The product of its digits is 540, while the sum is 22.

The square root of 925213 is about 961.8799301368. The cubic root of 925213 is about 97.4422362208.

The spelling of 925213 in words is "nine hundred twenty-five thousand, two hundred thirteen".