5213557 has 4 divisors (see below), whose sum is σ = 5311980. Its totient is φ = 5115136.

The previous prime is 5213539. The next prime is 5213561. The reversal of 5213557 is 7553125.

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 4626801 + 586756 = 2151^2 + 766^2 .

It is not a de Polignac number, because 5213557 - 2¹¹ = 5211509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213567) 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, 49132 + ... + 49237.

It is an arithmetic number, because the mean of its divisors is an integer number (1327995).

Almost surely, 2^5213557 is an apocalyptic number.

It is an amenable number.

5213557 is a deficient number, since it is larger than the sum of its proper divisors (98423).

5213557 is an equidigital number, since it uses as much as digits as its factorization.

5213557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98422.

The product of its digits is 5250, while the sum is 28.

The square root of 5213557 is about 2283.3214841542. The cubic root of 5213557 is about 173.3982494357.

The spelling of 5213557 in words is "five million, two hundred thirteen thousand, five hundred fifty-seven".