552240613 has 4 divisors (see below), whose sum is σ = 553805388. Its totient is φ = 550675840.

The previous prime is 552240607. The next prime is 552240641. The reversal of 552240613 is 316042255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316042255 = 5 ⋅63208451.

It can be written as a sum of positive squares in 2 ways, for example, as 198725409 + 353515204 = 14097^2 + 18802^2 .

It is a cyclic number.

It is not a de Polignac number, because 552240613 - 2⁵ = 552240581 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 (552240653) 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, 781858 + ... + 782563.

It is an arithmetic number, because the mean of its divisors is an integer number (138451347).

Almost surely, 2^552240613 is an apocalyptic number.

It is an amenable number.

552240613 is a deficient number, since it is larger than the sum of its proper divisors (1564775).

552240613 is a wasteful number, since it uses less digits than its factorization.

552240613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564774.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 552240613 is about 23499.8002757470. The cubic root of 552240613 is about 820.4323582502.

Adding to 552240613 its reverse (316042255), we get a palindrome (868282868).

It can be divided in two parts, 552 and 240613, that added together give a triangular number (241165 = T₆₉₄).

The spelling of 552240613 in words is "five hundred fifty-two million, two hundred forty thousand, six hundred thirteen".