25470827 has 2 divisors, whose sum is σ = 25470828. Its totient is φ = 25470826.

The previous prime is 25470751. The next prime is 25470833. The reversal of 25470827 is 72807452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25470827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25470847) 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, 12735413 + 12735414.

It is an arithmetic number, because the mean of its divisors is an integer number (12735414).

Almost surely, 2^25470827 is an apocalyptic number.

25470827 is a deficient number, since it is larger than the sum of its proper divisors (1).

25470827 is an equidigital number, since it uses as much as digits as its factorization.

25470827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 25470827 is about 5046.8630851253. The cubic root of 25470827 is about 294.2259781732.

The spelling of 25470827 in words is "twenty-five million, four hundred seventy thousand, eight hundred twenty-seven".