261351094 has 8 divisors (see below), whose sum is σ = 393785280. Its totient is φ = 130089336.

The previous prime is 261351089. The next prime is 261351107. The reversal of 261351094 is 490153162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292549 + ... + 293440.

It is an arithmetic number, because the mean of its divisors is an integer number (49223160).

Almost surely, 2^261351094 is an apocalyptic number.

261351094 is a deficient number, since it is larger than the sum of its proper divisors (132434186).

261351094 is a wasteful number, since it uses less digits than its factorization.

261351094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586214.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 261351094 is about 16166.3568561380. The cubic root of 261351094 is about 639.3540797694.

The spelling of 261351094 in words is "two hundred sixty-one million, three hundred fifty-one thousand, ninety-four".