25417973425 has 24 divisors (see below), whose sum is σ = 35729240960. Its totient is φ = 17782286400.

The previous prime is 25417973407. The next prime is 25417973459. The reversal of 25417973425 is 52437971452.

It is not a de Polignac number, because 25417973425 - 2¹³ = 25417965233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2051961 + ... + 2064310.

Almost surely, 2^25417973425 is an apocalyptic number.

25417973425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25417973425 is a deficient number, since it is larger than the sum of its proper divisors (10311267535).

25417973425 is a wasteful number, since it uses less digits than its factorization.

25417973425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116313 (or 4116308 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 25417973425 in words is "twenty-five billion, four hundred seventeen million, nine hundred seventy-three thousand, four hundred twenty-five".