5642137 has 4 divisors (see below), whose sum is σ = 5726416. Its totient is φ = 5557860.

The previous prime is 5642099. The next prime is 5642191. The reversal of 5642137 is 7312465.

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 5642137 - 2¹⁵ = 5609369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643137) 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, 42039 + ... + 42172.

It is an arithmetic number, because the mean of its divisors is an integer number (1431604).

Almost surely, 2^5642137 is an apocalyptic number.

It is an amenable number.

5642137 is a deficient number, since it is larger than the sum of its proper divisors (84279).

5642137 is an equidigital number, since it uses as much as digits as its factorization.

5642137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84278.

The product of its digits is 5040, while the sum is 28.

The square root of 5642137 is about 2375.3182944608. The cubic root of 5642137 is about 178.0250879927.

It can be divided in two parts, 564 and 2137, that added together give a triangular number (2701 = T₇₃).

The spelling of 5642137 in words is "five million, six hundred forty-two thousand, one hundred thirty-seven".