241151551 has 2 divisors, whose sum is σ = 241151552. Its totient is φ = 241151550.

The previous prime is 241151543. The next prime is 241151557. The reversal of 241151551 is 155151142.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 241151551 - 2³ = 241151543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241151557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120575775 + 120575776.

It is an arithmetic number, because the mean of its divisors is an integer number (120575776).

Almost surely, 2^241151551 is an apocalyptic number.

241151551 is a deficient number, since it is larger than the sum of its proper divisors (1).

241151551 is an equidigital number, since it uses as much as digits as its factorization.

241151551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000, while the sum is 25.

The square root of 241151551 is about 15529.0550581805. The cubic root of 241151551 is about 622.4388426125.

The spelling of 241151551 in words is "two hundred forty-one million, one hundred fifty-one thousand, five hundred fifty-one".