261436314 has 16 divisors (see below), whose sum is σ = 550392480. Its totient is φ = 82558800.

The previous prime is 261436303. The next prime is 261436367. The reversal of 261436314 is 413634162.

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, 1146537 + ... + 1146764.

It is an arithmetic number, because the mean of its divisors is an integer number (34399530).

Almost surely, 2^261436314 is an apocalyptic number.

261436314 is an abundant number, since it is smaller than the sum of its proper divisors (288956166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261436314 is a wasteful number, since it uses less digits than its factorization.

261436314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293325.

The product of its digits is 10368, while the sum is 30.

The square root of 261436314 is about 16168.9923619253. The cubic root of 261436314 is about 639.4235646308.

The spelling of 261436314 in words is "two hundred sixty-one million, four hundred thirty-six thousand, three hundred fourteen".