261035734 has 8 divisors (see below), whose sum is σ = 392663880. Its totient is φ = 130147776.

The previous prime is 261035701. The next prime is 261035767. The reversal of 261035734 is 437530162.

261035734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (261035701) and next prime (261035767).

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

It is a junction number, because it is equal to n+sod(n) for n = 261035696 and 261035705.

It is a congruent number.

It is an unprimeable number.

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, 184164 + ... + 185575.

It is an arithmetic number, because the mean of its divisors is an integer number (49082985).

Almost surely, 2^261035734 is an apocalyptic number.

261035734 is a deficient number, since it is larger than the sum of its proper divisors (131628146).

261035734 is a wasteful number, since it uses less digits than its factorization.

261035734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370094.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 261035734 is about 16156.6003230878. The cubic root of 261035734 is about 639.0968168264.

Adding to 261035734 its reverse (437530162), we get a palindrome (698565896).

The spelling of 261035734 in words is "two hundred sixty-one million, thirty-five thousand, seven hundred thirty-four".