241645253 has 4 divisors (see below), whose sum is σ = 242729088. Its totient is φ = 240561420.

The previous prime is 241645231. The next prime is 241645273. The reversal of 241645253 is 352546142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241645253 - 2¹⁰ = 241644229 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 (241645223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541583 + ... + 542028.

It is an arithmetic number, because the mean of its divisors is an integer number (60682272).

Almost surely, 2^241645253 is an apocalyptic number.

It is an amenable number.

241645253 is a deficient number, since it is larger than the sum of its proper divisors (1083835).

241645253 is a wasteful number, since it uses less digits than its factorization.

241645253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083834.

The product of its digits is 28800, while the sum is 32.

The square root of 241645253 is about 15544.9430040769. The cubic root of 241645253 is about 622.8633195722.

The spelling of 241645253 in words is "two hundred forty-one million, six hundred forty-five thousand, two hundred fifty-three".