4242537 has 48 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 2426112.

The previous prime is 4242523. The next prime is 4242547. The reversal of 4242537 is 7352424.

It is not a de Polignac number, because 4242537 - 2⁶ = 4242473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁶ + 2¹³ + 4¹¹ + 2¹⁵ + 5⁵ + 3 + 7² .

Its product of digits (6720) is a multiple of the sum of its prime divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 4242537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53664 + ... + 53742.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

Almost surely, 2^4242537 is an apocalyptic number.

It is an amenable number.

4242537 is a deficient number, since it is larger than the sum of its proper divisors (3095703).

4242537 is a wasteful number, since it uses less digits than its factorization.

4242537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 4242537 is about 2059.7419741317. The cubic root of 4242537 is about 161.8857218740.

The spelling of 4242537 in words is "four million, two hundred forty-two thousand, five hundred thirty-seven".