2001359725 has 6 divisors (see below), whose sum is σ = 2481686090. Its totient is φ = 1601087760.

The previous prime is 2001359713. The next prime is 2001359749. The reversal of 2001359725 is 5279531002.

It can be written as a sum of positive squares in 3 ways, for example, as 2643876 + 1998715849 = 1626^2 + 44707^2 .

It is not a de Polignac number, because 2001359725 - 2¹³ = 2001351533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40027170 + ... + 40027219.

Almost surely, 2^2001359725 is an apocalyptic number.

2001359725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001359725 is a deficient number, since it is larger than the sum of its proper divisors (480326365).

2001359725 is an equidigital number, since it uses as much as digits as its factorization.

2001359725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80054399 (or 80054394 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2001359725 is about 44736.5591546780. The cubic root of 2001359725 is about 1260.2065095718.

The spelling of 2001359725 in words is "two billion, one million, three hundred fifty-nine thousand, seven hundred twenty-five".