25061867 has 2 divisors, whose sum is σ = 25061868. Its totient is φ = 25061866.

The previous prime is 25061801. The next prime is 25061891. The reversal of 25061867 is 76816052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25061867 - 2¹² = 25057771 is a prime.

It is not a weakly prime, because it can be changed into another prime (25061167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530933 + 12530934.

It is an arithmetic number, because the mean of its divisors is an integer number (12530934).

Almost surely, 2^25061867 is an apocalyptic number.

25061867 is a deficient number, since it is larger than the sum of its proper divisors (1).

25061867 is an equidigital number, since it uses as much as digits as its factorization.

25061867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 25061867 is about 5006.1828772029. The cubic root of 25061867 is about 292.6427754038.

The spelling of 25061867 in words is "twenty-five million, sixty-one thousand, eight hundred sixty-seven".