25006330 has 16 divisors (see below), whose sum is σ = 45518760. Its totient is φ = 9889792.

The previous prime is 25006327. The next prime is 25006361. The reversal of 25006330 is 3360052.

It can be written as a sum of positive squares in 4 ways, for example, as 7273809 + 17732521 = 2697^2 + 4211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25006298 and 25006307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13159 + ... + 14938.

Almost surely, 2^25006330 is an apocalyptic number.

25006330 is a deficient number, since it is larger than the sum of its proper divisors (20512430).

25006330 is a wasteful number, since it uses less digits than its factorization.

25006330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28193.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 25006330 is about 5000.6329599362. The cubic root of 25006330 is about 292.4264504484.

Adding to 25006330 its reverse (3360052), we get a palindrome (28366382).

The spelling of 25006330 in words is "twenty-five million, six thousand, three hundred thirty".