261412033 has 2 divisors, whose sum is σ = 261412034. Its totient is φ = 261412032.

The previous prime is 261412031. The next prime is 261412037. The reversal of 261412033 is 330214162.

261412033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154330929 + 107081104 = 12423^2 + 10348^2 .

It is a cyclic number.

It is not a de Polignac number, because 261412033 - 2¹ = 261412031 is a prime.

Together with 261412031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 261411995 and 261412013.

It is not a weakly prime, because it can be changed into another prime (261412031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130706016 + 130706017.

It is an arithmetic number, because the mean of its divisors is an integer number (130706017).

Almost surely, 2^261412033 is an apocalyptic number.

It is an amenable number.

261412033 is a deficient number, since it is larger than the sum of its proper divisors (1).

261412033 is an equidigital number, since it uses as much as digits as its factorization.

261412033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 261412033 is about 16168.2414937432. The cubic root of 261412033 is about 639.4037684466.

Adding to 261412033 its reverse (330214162), we get a palindrome (591626195).

The spelling of 261412033 in words is "two hundred sixty-one million, four hundred twelve thousand, thirty-three".