3025405525421 has 4 divisors (see below), whose sum is σ = 3184637395200. Its totient is φ = 2866173655644.

The previous prime is 3025405525409. The next prime is 3025405525469. The reversal of 3025405525421 is 1245255045203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3025405525421 - 2⁶ = 3025405525357 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 (3025405525721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79615934861 + ... + 79615934898.

It is an arithmetic number, because the mean of its divisors is an integer number (796159348800).

Almost surely, 2^{3025405525421} is an apocalyptic number.

It is an amenable number.

3025405525421 is a deficient number, since it is larger than the sum of its proper divisors (159231869779).

3025405525421 is a wasteful number, since it uses less digits than its factorization.

3025405525421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159231869778.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 3025405525421 in words is "three trillion, twenty-five billion, four hundred five million, five hundred twenty-five thousand, four hundred twenty-one".