52403613 has 4 divisors (see below), whose sum is σ = 69871488. Its totient is φ = 34935740.

The previous prime is 52403597. The next prime is 52403633. The reversal of 52403613 is 31630425.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 52403613 - 2⁴ = 52403597 is a prime.

It is a super-2 number, since 2×52403613² = 5492277310907538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52403633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8733933 + ... + 8733938.

It is an arithmetic number, because the mean of its divisors is an integer number (17467872).

Almost surely, 2^52403613 is an apocalyptic number.

It is an amenable number.

52403613 is a deficient number, since it is larger than the sum of its proper divisors (17467875).

52403613 is a wasteful number, since it uses less digits than its factorization.

52403613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17467874.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 52403613 is about 7239.0339825145. The cubic root of 52403613 is about 374.2143266180.

The spelling of 52403613 in words is "fifty-two million, four hundred three thousand, six hundred thirteen".