501241879 has 2 divisors, whose sum is σ = 501241880. Its totient is φ = 501241878.

The previous prime is 501241823. The next prime is 501241901. The reversal of 501241879 is 978142105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501241879 - 2¹¹ = 501239831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501241079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250620939 + 250620940.

It is an arithmetic number, because the mean of its divisors is an integer number (250620940).

Almost surely, 2^501241879 is an apocalyptic number.

501241879 is a deficient number, since it is larger than the sum of its proper divisors (1).

501241879 is an equidigital number, since it uses as much as digits as its factorization.

501241879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 501241879 is about 22388.4318119872. The cubic root of 501241879 is about 794.3571027015.

It can be divided in two parts, 50124 and 1879, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 501241879 in words is "five hundred one million, two hundred forty-one thousand, eight hundred seventy-nine".