261483941 has 4 divisors (see below), whose sum is σ = 272852832. Its totient is φ = 250115052.

The previous prime is 261483877. The next prime is 261483961. The reversal of 261483941 is 149384162.

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 a cyclic number.

It is not a de Polignac number, because 261483941 - 2⁶ = 261483877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 261483895 and 261483904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261483961) 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, 5684411 + ... + 5684456.

It is an arithmetic number, because the mean of its divisors is an integer number (68213208).

Almost surely, 2^261483941 is an apocalyptic number.

It is an amenable number.

261483941 is a deficient number, since it is larger than the sum of its proper divisors (11368891).

261483941 is a wasteful number, since it uses less digits than its factorization.

261483941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368890.

The product of its digits is 41472, while the sum is 38.

The square root of 261483941 is about 16170.4650829839. The cubic root of 261483941 is about 639.4623911382.

The spelling of 261483941 in words is "two hundred sixty-one million, four hundred eighty-three thousand, nine hundred forty-one".