2061725441 has 4 divisors (see below), whose sum is σ = 2096670000. Its totient is φ = 2026780884.

The previous prime is 2061725329. The next prime is 2061725447. The reversal of 2061725441 is 1445271602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1445271602 = 2 ⋅722635801.

It is a cyclic number.

It is not a de Polignac number, because 2061725441 - 2¹⁰ = 2061724417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2061725398 and 2061725407.

It is not an unprimeable number, because it can be changed into a prime (2061725447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17472191 + ... + 17472308.

It is an arithmetic number, because the mean of its divisors is an integer number (524167500).

Almost surely, 2^2061725441 is an apocalyptic number.

It is an amenable number.

2061725441 is a deficient number, since it is larger than the sum of its proper divisors (34944559).

2061725441 is an equidigital number, since it uses as much as digits as its factorization.

2061725441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944558.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2061725441 is about 45406.2268967594. The cubic root of 2061725441 is about 1272.7514778901.

The spelling of 2061725441 in words is "two billion, sixty-one million, seven hundred twenty-five thousand, four hundred forty-one".