261614054 has 16 divisors (see below), whose sum is σ = 447467328. Its totient is φ = 113642112.

The previous prime is 261614039. The next prime is 261614137. The reversal of 261614054 is 450416162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295502 + ... + 296385.

It is an arithmetic number, because the mean of its divisors is an integer number (27966708).

Almost surely, 2^261614054 is an apocalyptic number.

261614054 is a deficient number, since it is larger than the sum of its proper divisors (185853274).

261614054 is a wasteful number, since it uses less digits than its factorization.

261614054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591919.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 261614054 is about 16174.4877507759. The cubic root of 261614054 is about 639.5684378974.

The spelling of 261614054 in words is "two hundred sixty-one million, six hundred fourteen thousand, fifty-four".