241997665 has 16 divisors (see below), whose sum is σ = 357412608. Its totient is φ = 153176256.

The previous prime is 241997659. The next prime is 241997671. The reversal of 241997665 is 566799142.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (241997659) and next prime (241997671).

It is a cyclic number.

It is not a de Polignac number, because 241997665 - 2⁵ = 241997633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265477 + ... + 266386.

It is an arithmetic number, because the mean of its divisors is an integer number (22338288).

Almost surely, 2^241997665 is an apocalyptic number.

It is an amenable number.

241997665 is a deficient number, since it is larger than the sum of its proper divisors (115414943).

241997665 is a wasteful number, since it uses less digits than its factorization.

241997665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531888.

The product of its digits is 816480, while the sum is 49.

The square root of 241997665 is about 15556.2741361806. The cubic root of 241997665 is about 623.1659641644.

The spelling of 241997665 in words is "two hundred forty-one million, nine hundred ninety-seven thousand, six hundred sixty-five".