242092591 has 24 divisors (see below), whose sum is σ = 273565824. Its totient is φ = 212906880.

The previous prime is 242092589. The next prime is 242092619. The reversal of 242092591 is 195290242.

It is not a de Polignac number, because 242092591 - 2¹ = 242092589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242002591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1085506 + ... + 1085728.

It is an arithmetic number, because the mean of its divisors is an integer number (11398576).

Almost surely, 2^242092591 is an apocalyptic number.

242092591 is a deficient number, since it is larger than the sum of its proper divisors (31473233).

242092591 is a wasteful number, since it uses less digits than its factorization.

242092591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 242092591 is about 15559.3248889532. The cubic root of 242092591 is about 623.2474345363.

The spelling of 242092591 in words is "two hundred forty-two million, ninety-two thousand, five hundred ninety-one".