25208230471 has 2 divisors, whose sum is σ = 25208230472. Its totient is φ = 25208230470.

The previous prime is 25208230459. The next prime is 25208230519. The reversal of 25208230471 is 17403280252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25208230471 is a prime.

It is a super-3 number, since 3×25208230471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25208230171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12604115235 + 12604115236.

It is an arithmetic number, because the mean of its divisors is an integer number (12604115236).

Almost surely, 2^25208230471 is an apocalyptic number.

25208230471 is a deficient number, since it is larger than the sum of its proper divisors (1).

25208230471 is an equidigital number, since it uses as much as digits as its factorization.

25208230471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 25208230471 in words is "twenty-five billion, two hundred eight million, two hundred thirty thousand, four hundred seventy-one".