25345325032021 has 8 divisors (see below), whose sum is σ = 25457351202720. Its totient is φ = 25233310582608.

The previous prime is 25345325032003. The next prime is 25345325032039. The reversal of 25345325032021 is 12023052354352.

It is an interprime number because it is at equal distance from previous prime (25345325032003) and next prime (25345325032039).

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 25345325032021 - 2³⁷ = 25207886078549 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 (25345325032121) 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, 1418130 + ... + 7259596.

It is an arithmetic number, because the mean of its divisors is an integer number (3182168900340).

Almost surely, 2^{25345325032021} is an apocalyptic number.

It is an amenable number.

25345325032021 is a deficient number, since it is larger than the sum of its proper divisors (112026170699).

25345325032021 is a wasteful number, since it uses less digits than its factorization.

25345325032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860643.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 25345325032021 its reverse (12023052354352), we get a palindrome (37368377386373).

The spelling of 25345325032021 in words is "twenty-five trillion, three hundred forty-five billion, three hundred twenty-five million, thirty-two thousand, twenty-one".