25434003 has 32 divisors (see below), whose sum is σ = 40237056. Its totient is φ = 13989888.

The previous prime is 25434001. The next prime is 25434037. The reversal of 25434003 is 30043452.

It is a happy number.

It is not a de Polignac number, because 25434003 - 2¹ = 25434001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (25434001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71875 + ... + 72227.

It is an arithmetic number, because the mean of its divisors is an integer number (1257408).

Almost surely, 2^25434003 is an apocalyptic number.

25434003 is a deficient number, since it is larger than the sum of its proper divisors (14803053).

25434003 is a wasteful number, since it uses less digits than its factorization.

25434003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 25434003 is about 5043.2135588333. The cubic root of 25434003 is about 294.0841191107.

Adding to 25434003 its reverse (30043452), we get a palindrome (55477455).

The spelling of 25434003 in words is "twenty-five million, four hundred thirty-four thousand, three".