25455007 has 2 divisors, whose sum is σ = 25455008. Its totient is φ = 25455006.

The previous prime is 25454987. The next prime is 25455029. The reversal of 25455007 is 70055452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25455007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25425007) 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, 12727503 + 12727504.

It is an arithmetic number, because the mean of its divisors is an integer number (12727504).

Almost surely, 2^25455007 is an apocalyptic number.

25455007 is a deficient number, since it is larger than the sum of its proper divisors (1).

25455007 is an equidigital number, since it uses as much as digits as its factorization.

25455007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 25455007 is about 5045.2955314828. The cubic root of 25455007 is about 294.1650507053.

The spelling of 25455007 in words is "twenty-five million, four hundred fifty-five thousand, seven".