261162941 has 8 divisors (see below), whose sum is σ = 290325504. Its totient is φ = 233296560.

The previous prime is 261162931. The next prime is 261162977. The reversal of 261162941 is 149261162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 261162941 - 2¹⁸ = 260900797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 261162898 and 261162907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261162901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323621 + ... + 324426.

It is an arithmetic number, because the mean of its divisors is an integer number (36290688).

Almost surely, 2^261162941 is an apocalyptic number.

It is an amenable number.

261162941 is a deficient number, since it is larger than the sum of its proper divisors (29162563).

261162941 is a wasteful number, since it uses less digits than its factorization.

261162941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648091.

The product of its digits is 5184, while the sum is 32.

The square root of 261162941 is about 16160.5365319348. The cubic root of 261162941 is about 639.2006140923.

The spelling of 261162941 in words is "two hundred sixty-one million, one hundred sixty-two thousand, nine hundred forty-one".