261412355 has 32 divisors (see below), whose sum is σ = 340623360. Its totient is φ = 191963520.

The previous prime is 261412339. The next prime is 261412357. The reversal of 261412355 is 553214162.

261412355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 261412355 - 2⁴ = 261412339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (261412357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566825 + ... + 567285.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^261412355 is an apocalyptic number.

261412355 is a deficient number, since it is larger than the sum of its proper divisors (79211005).

261412355 is a wasteful number, since it uses less digits than its factorization.

261412355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 7200, while the sum is 29.

The square root of 261412355 is about 16168.2514515330. The cubic root of 261412355 is about 639.4040309797.

The spelling of 261412355 in words is "two hundred sixty-one million, four hundred twelve thousand, three hundred fifty-five".