6541025425 has 24 divisors (see below), whose sum is σ = 8993299392. Its totient is φ = 4679112000.

The previous prime is 6541025411. The next prime is 6541025461. The reversal of 6541025425 is 5245201456.

It is not a de Polignac number, because 6541025425 - 2¹⁵ = 6540992657 is a prime.

It is a super-2 number, since 2×6541025425² = 85570027220992861250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178189 + ... + 211738.

It is an arithmetic number, because the mean of its divisors is an integer number (374720808).

Almost surely, 2^6541025425 is an apocalyptic number.

It is an amenable number.

6541025425 is a deficient number, since it is larger than the sum of its proper divisors (2452273967).

6541025425 is a wasteful number, since it uses less digits than its factorization.

6541025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390009 (or 390004 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 6541025425 is about 80876.6061664311. The cubic root of 6541025425 is about 1870.1737020149.

The spelling of 6541025425 in words is "six billion, five hundred forty-one million, twenty-five thousand, four hundred twenty-five".