5642534 has 4 divisors (see below), whose sum is σ = 8463804. Its totient is φ = 2821266.

The previous prime is 5642531. The next prime is 5642591. The reversal of 5642534 is 4352465.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 5642497 and 5642506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410632 + ... + 1410635.

It is an arithmetic number, because the mean of its divisors is an integer number (2115951).

Almost surely, 2^5642534 is an apocalyptic number.

5642534 is a deficient number, since it is larger than the sum of its proper divisors (2821270).

5642534 is a wasteful number, since it uses less digits than its factorization.

5642534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821269.

The product of its digits is 14400, while the sum is 29.

The square root of 5642534 is about 2375.4018607385. The cubic root of 5642534 is about 178.0292633789.

Adding to 5642534 its reverse (4352465), we get a palindrome (9994999).

The spelling of 5642534 in words is "five million, six hundred forty-two thousand, five hundred thirty-four".