25136330 has 16 divisors (see below), whose sum is σ = 46806120. Its totient is φ = 9707712.

The previous prime is 25136329. The next prime is 25136341. The reversal of 25136330 is 3363152.

It can be written as a sum of positive squares in 4 ways, for example, as 21613201 + 3523129 = 4649^2 + 1877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25136296 and 25136305.

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, 43049 + ... + 43628.

Almost surely, 2^25136330 is an apocalyptic number.

25136330 is a deficient number, since it is larger than the sum of its proper divisors (21669790).

25136330 is a wasteful number, since it uses less digits than its factorization.

25136330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86713.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 25136330 is about 5013.6144646353. The cubic root of 25136330 is about 292.9323190480.

Adding to 25136330 its reverse (3363152), we get a palindrome (28499482).

The spelling of 25136330 in words is "twenty-five million, one hundred thirty-six thousand, three hundred thirty".