241957309 has 8 divisors (see below), whose sum is σ = 275429952. Its totient is φ = 210397440.

The previous prime is 241957307. The next prime is 241957321. The reversal of 241957309 is 903759142.

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

It is not a de Polignac number, because 241957309 - 2¹ = 241957307 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 (241957307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477924 + ... + 478429.

It is an arithmetic number, because the mean of its divisors is an integer number (34428744).

Almost surely, 2^241957309 is an apocalyptic number.

It is an amenable number.

241957309 is a deficient number, since it is larger than the sum of its proper divisors (33472643).

241957309 is a wasteful number, since it uses less digits than its factorization.

241957309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956387.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 241957309 is about 15554.9769848753. The cubic root of 241957309 is about 623.1313221170.

The spelling of 241957309 in words is "two hundred forty-one million, nine hundred fifty-seven thousand, three hundred nine".