25405255003 has 8 divisors (see below), whose sum is σ = 25771638240. Its totient is φ = 25039109760.

The previous prime is 25405254997. The next prime is 25405255009. The reversal of 25405255003 is 30055250452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25405254997) and next prime (25405255009).

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 25405255003 - 2³³ = 16815320411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25405255009) 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, 161401 + ... + 277237.

It is an arithmetic number, because the mean of its divisors is an integer number (3221454780).

Almost surely, 2^25405255003 is an apocalyptic number.

25405255003 is a deficient number, since it is larger than the sum of its proper divisors (366383237).

25405255003 is a wasteful number, since it uses less digits than its factorization.

25405255003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118997.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 25405255003 in words is "twenty-five billion, four hundred five million, two hundred fifty-five thousand, three".