241721560 has 32 divisors (see below), whose sum is σ = 548966160. Its totient is φ = 95783296.

The previous prime is 241721551. The next prime is 241721563. The reversal of 241721560 is 65127142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241721563) 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, 23959 + ... + 32518.

Almost surely, 2^241721560 is an apocalyptic number.

241721560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241721560 is an abundant number, since it is smaller than the sum of its proper divisors (307244600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

241721560 is a wasteful number, since it uses less digits than its factorization.

241721560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56595 (or 56591 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 241721560 is about 15547.3972098226. The cubic root of 241721560 is about 622.9288754904.

It can be divided in two parts, 241 and 721560, that added together give a triangular number (721801 = T₁₂₀₁).

The spelling of 241721560 in words is "two hundred forty-one million, seven hundred twenty-one thousand, five hundred sixty".