25354421063 has 8 divisors (see below), whose sum is σ = 25521787056. Its totient is φ = 25187500800.

The previous prime is 25354421041. The next prime is 25354421087. The reversal of 25354421063 is 36012445352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25354421063 - 2⁶ = 25354420999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25354421093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095 + ... + 225207.

It is an arithmetic number, because the mean of its divisors is an integer number (3190223382).

Almost surely, 2^25354421063 is an apocalyptic number.

25354421063 is a deficient number, since it is larger than the sum of its proper divisors (167365993).

25354421063 is a wasteful number, since it uses less digits than its factorization.

25354421063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222865.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 25354421063 in words is "twenty-five billion, three hundred fifty-four million, four hundred twenty-one thousand, sixty-three".