261552114 has 12 divisors (see below), whose sum is σ = 566696286. Its totient is φ = 87184032.

The previous prime is 261552107. The next prime is 261552139. The reversal of 261552114 is 411255162.

It can be written as a sum of positive squares in only one way, i.e., 181360089 + 80192025 = 13467^2 + 8955^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7265319 + ... + 7265354.

Almost surely, 2^261552114 is an apocalyptic number.

261552114 is an abundant number, since it is smaller than the sum of its proper divisors (305144172).

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

261552114 is a wasteful number, since it uses less digits than its factorization.

261552114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530681 (or 14530678 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 261552114 is about 16172.5728936369. The cubic root of 261552114 is about 639.5179589632.

The spelling of 261552114 in words is "two hundred sixty-one million, five hundred fifty-two thousand, one hundred fourteen".