4247534 has 4 divisors (see below), whose sum is σ = 6371304. Its totient is φ = 2123766.

The previous prime is 4247513. The next prime is 4247539. The reversal of 4247534 is 4357424.

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 = 4247497 and 4247506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061882 + ... + 1061885.

It is an arithmetic number, because the mean of its divisors is an integer number (1592826).

Almost surely, 2^4247534 is an apocalyptic number.

4247534 is a deficient number, since it is larger than the sum of its proper divisors (2123770).

4247534 is a wasteful number, since it uses less digits than its factorization.

4247534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123769.

The product of its digits is 13440, while the sum is 29.

The square root of 4247534 is about 2060.9546331737. The cubic root of 4247534 is about 161.9492550508.

It can be divided in two parts, 42475 and 34, that multiplied together give a triangular number (1444150 = T₁₆₉₉).

The spelling of 4247534 in words is "four million, two hundred forty-seven thousand, five hundred thirty-four".