261412522 has 16 divisors (see below), whose sum is σ = 462592512. Its totient is φ = 108419760.

The previous prime is 261412471. The next prime is 261412531. The reversal of 261412522 is 225214162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300733 + ... + 301600.

It is an arithmetic number, because the mean of its divisors is an integer number (28912032).

Almost surely, 2^261412522 is an apocalyptic number.

261412522 is a deficient number, since it is larger than the sum of its proper divisors (201179990).

261412522 is a wasteful number, since it uses less digits than its factorization.

261412522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602373.

The product of its digits is 1920, while the sum is 25.

The square root of 261412522 is about 16168.2566159744. The cubic root of 261412522 is about 639.4041671381.

Adding to 261412522 its reverse (225214162), we get a palindrome (486626684).

The spelling of 261412522 in words is "two hundred sixty-one million, four hundred twelve thousand, five hundred twenty-two".