501090941 has 8 divisors (see below), whose sum is σ = 539868504. Its totient is φ = 462346560.

The previous prime is 501090937. The next prime is 501090943. The reversal of 501090941 is 149090105.

It can be written as a sum of positive squares in 4 ways, for example, as 61559716 + 439531225 = 7846^2 + 20965^2 .

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

It is not a de Polignac number, because 501090941 - 2² = 501090937 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501090943) 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, 29471 + ... + 43251.

It is an arithmetic number, because the mean of its divisors is an integer number (67483563).

Almost surely, 2^501090941 is an apocalyptic number.

It is an amenable number.

501090941 is a deficient number, since it is larger than the sum of its proper divisors (38777563).

501090941 is a wasteful number, since it uses less digits than its factorization.

501090941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 501090941 is about 22385.0606655421. The cubic root of 501090941 is about 794.2773602895.

The spelling of 501090941 in words is "five hundred one million, ninety thousand, nine hundred forty-one".