501355061 has 4 divisors (see below), whose sum is σ = 502487232. Its totient is φ = 500222892.

The previous prime is 501355013. The next prime is 501355091. The reversal of 501355061 is 160553105.

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 501355061 - 2¹⁰ = 501354037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501355061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501355091) 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, 565421 + ... + 566306.

It is an arithmetic number, because the mean of its divisors is an integer number (125621808).

Almost surely, 2^501355061 is an apocalyptic number.

It is an amenable number.

501355061 is a deficient number, since it is larger than the sum of its proper divisors (1132171).

501355061 is a wasteful number, since it uses less digits than its factorization.

501355061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132170.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 501355061 is about 22390.9593586340. The cubic root of 501355061 is about 794.4168876498.

The spelling of 501355061 in words is "five hundred one million, three hundred fifty-five thousand, sixty-one".