2503534 has 8 divisors (see below), whose sum is σ = 4096728. Its totient is φ = 1137960.

The previous prime is 2503513. The next prime is 2503537. The reversal of 2503534 is 4353052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 113797 = 2503534 / (2 + 5 + 0 + 3 + 5 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503537) 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, 56877 + ... + 56920.

It is an arithmetic number, because the mean of its divisors is an integer number (512091).

2^2503534 is an apocalyptic number.

2503534 is a deficient number, since it is larger than the sum of its proper divisors (1593194).

2503534 is a wasteful number, since it uses less digits than its factorization.

2503534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113810.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2503534 is about 1582.2559843464. The cubic root of 2503534 is about 135.7848023984.

Adding to 2503534 its reverse (4353052), we get a palindrome (6856586).

The spelling of 2503534 in words is "two million, five hundred three thousand, five hundred thirty-four".