25064471 has 2 divisors, whose sum is σ = 25064472. Its totient is φ = 25064470.

The previous prime is 25064467. The next prime is 25064483. The reversal of 25064471 is 17446052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25064471 - 2² = 25064467 is a prime.

It is a super-3 number, since 3×25064471³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25061471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532235 + 12532236.

It is an arithmetic number, because the mean of its divisors is an integer number (12532236).

Almost surely, 2^25064471 is an apocalyptic number.

25064471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25064471 is an equidigital number, since it uses as much as digits as its factorization.

25064471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25064471 is about 5006.4429488410. The cubic root of 25064471 is about 292.6529105278.

The spelling of 25064471 in words is "twenty-five million, sixty-four thousand, four hundred seventy-one".