1801541425 has 24 divisors (see below), whose sum is σ = 2367705600. Its totient is φ = 1355086080.

The previous prime is 1801541419. The next prime is 1801541429. The reversal of 1801541425 is 5241451081.

It is a de Polignac number, because none of the positive numbers 2^k-1801541425 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1801541429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661216 + ... + 663934.

It is an arithmetic number, because the mean of its divisors is an integer number (98654400).

Almost surely, 2^1801541425 is an apocalyptic number.

It is an amenable number.

1801541425 is a deficient number, since it is larger than the sum of its proper divisors (566164175).

1801541425 is a wasteful number, since it uses less digits than its factorization.

1801541425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4300 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 1801541425 is about 42444.5688516211. The cubic root of 1801541425 is about 1216.7875318304.

The spelling of 1801541425 in words is "one billion, eight hundred one million, five hundred forty-one thousand, four hundred twenty-five".