1825473801 has 4 divisors (see below), whose sum is σ = 2433965072. Its totient is φ = 1216982532.

The previous prime is 1825473799. The next prime is 1825473809. The reversal of 1825473801 is 1083745281.

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 not a de Polignac number, because 1825473801 - 2¹ = 1825473799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1825473801.

It is not an unprimeable number, because it can be changed into a prime (1825473809) 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, 304245631 + ... + 304245636.

It is an arithmetic number, because the mean of its divisors is an integer number (608491268).

Almost surely, 2^1825473801 is an apocalyptic number.

It is an amenable number.

1825473801 is a deficient number, since it is larger than the sum of its proper divisors (608491271).

1825473801 is an equidigital number, since it uses as much as digits as its factorization.

1825473801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608491270.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1825473801 is about 42725.5637879712. The cubic root of 1825473801 is about 1222.1519399222.

The spelling of 1825473801 in words is "one billion, eight hundred twenty-five million, four hundred seventy-three thousand, eight hundred one".