261413150 has 12 divisors (see below), whose sum is σ = 486228552. Its totient is φ = 104565240.

The previous prime is 261413123. The next prime is 261413167. The reversal of 261413150 is 51314162.

261413150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2614082 + ... + 2614181.

It is an arithmetic number, because the mean of its divisors is an integer number (40519046).

Almost surely, 2^261413150 is an apocalyptic number.

261413150 is a deficient number, since it is larger than the sum of its proper divisors (224815402).

261413150 is a wasteful number, since it uses less digits than its factorization.

261413150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228275 (or 5228270 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 261413150 is about 16168.2760367332. The cubic root of 261413150 is about 639.4046791583.

The spelling of 261413150 in words is "two hundred sixty-one million, four hundred thirteen thousand, one hundred fifty".