42652537 has 4 divisors (see below), whose sum is σ = 42711460. Its totient is φ = 42593616.

The previous prime is 42652529. The next prime is 42652543. The reversal of 42652537 is 73525624.

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 24810361 + 17842176 = 4981^2 + 4224^2 .

It is a cyclic number.

It is not a de Polignac number, because 42652537 - 2³ = 42652529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42652037) 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, 28362 + ... + 29827.

It is an arithmetic number, because the mean of its divisors is an integer number (10677865).

Almost surely, 2^42652537 is an apocalyptic number.

It is an amenable number.

42652537 is a deficient number, since it is larger than the sum of its proper divisors (58923).

42652537 is an equidigital number, since it uses as much as digits as its factorization.

42652537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58922.

The product of its digits is 50400, while the sum is 34.

The square root of 42652537 is about 6530.8909805631. The cubic root of 42652537 is about 349.3936085083.

The spelling of 42652537 in words is "forty-two million, six hundred fifty-two thousand, five hundred thirty-seven".