25605067 has 2 divisors, whose sum is σ = 25605068. Its totient is φ = 25605066.

The previous prime is 25605059. The next prime is 25605071. The reversal of 25605067 is 76050652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25605067 - 2³ = 25605059 is a prime.

It is a super-4 number, since 4×25605067⁴ (a number of 31 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (25605007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12802533 + 12802534.

It is an arithmetic number, because the mean of its divisors is an integer number (12802534).

Almost surely, 2^25605067 is an apocalyptic number.

25605067 is a deficient number, since it is larger than the sum of its proper divisors (1).

25605067 is an equidigital number, since it uses as much as digits as its factorization.

25605067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 25605067 is about 5060.1449583979. The cubic root of 25605067 is about 294.7419633872.

The spelling of 25605067 in words is "twenty-five million, six hundred five thousand, sixty-seven".