261300433 has 8 divisors (see below), whose sum is σ = 264217536. Its totient is φ = 258390000.

The previous prime is 261300419. The next prime is 261300437. The reversal of 261300433 is 334003162.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261300433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261300437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145660 + ... + 147442.

It is an arithmetic number, because the mean of its divisors is an integer number (33027192).

Almost surely, 2^261300433 is an apocalyptic number.

It is an amenable number.

261300433 is a deficient number, since it is larger than the sum of its proper divisors (2917103).

261300433 is a wasteful number, since it uses less digits than its factorization.

261300433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 261300433 is about 16164.7899151211. The cubic root of 261300433 is about 639.3127657275.

Adding to 261300433 its reverse (334003162), we get a palindrome (595303595).

The spelling of 261300433 in words is "two hundred sixty-one million, three hundred thousand, four hundred thirty-three".