5242557 has 4 divisors (see below), whose sum is σ = 6990080. Its totient is φ = 3495036.

The previous prime is 5242513. The next prime is 5242561. The reversal of 5242557 is 7552425.

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 not a de Polignac number, because 5242557 - 2¹¹ = 5240509 is a prime.

It is a D-number.

It is a Duffinian number.

5242557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242577) 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, 873757 + ... + 873762.

It is an arithmetic number, because the mean of its divisors is an integer number (1747520).

Almost surely, 2^5242557 is an apocalyptic number.

It is an amenable number.

5242557 is a deficient number, since it is larger than the sum of its proper divisors (1747523).

5242557 is a wasteful number, since it uses less digits than its factorization.

5242557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747522.

The product of its digits is 14000, while the sum is 30.

The square root of 5242557 is about 2289.6630756511. The cubic root of 5242557 is about 173.7191598559.

It can be divided in two parts, 524 and 2557, that added together give a triangular number (3081 = T₇₈).

The spelling of 5242557 in words is "five million, two hundred forty-two thousand, five hundred fifty-seven".