25230547 has 2 divisors, whose sum is σ = 25230548. Its totient is φ = 25230546.

The previous prime is 25230511. The next prime is 25230553. The reversal of 25230547 is 74503252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25230547 - 2⁷ = 25230419 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25230577) 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, 12615273 + 12615274.

It is an arithmetic number, because the mean of its divisors is an integer number (12615274).

Almost surely, 2^25230547 is an apocalyptic number.

25230547 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230547 is an equidigital number, since it uses as much as digits as its factorization.

25230547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25230547 is about 5023.0017917576. The cubic root of 25230547 is about 293.2978562753.

Adding to 25230547 its reverse (74503252), we get a palindrome (99733799).

It can be divided in two parts, 25 and 230547, that multiplied together give a palindrome (5763675).

The spelling of 25230547 in words is "twenty-five million, two hundred thirty thousand, five hundred forty-seven".