506351154061 has 4 divisors (see below), whose sum is σ = 507626598172. Its totient is φ = 505075709952.

The previous prime is 506351154031. The next prime is 506351154091. The reversal of 506351154061 is 160451153605.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (506351154031) and next prime (506351154091).

It can be written as a sum of positive squares in 2 ways, for example, as 156514393161 + 349836760900 = 395619^2 + 591470^2 .

It is a cyclic number.

It is not a de Polignac number, because 506351154061 - 2¹³ = 506351145869 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 506351154061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506351154031) 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, 637721460 + ... + 637722253.

It is an arithmetic number, because the mean of its divisors is an integer number (126906649543).

Almost surely, 2^506351154061 is an apocalyptic number.

It is an amenable number.

506351154061 is a deficient number, since it is larger than the sum of its proper divisors (1275444111).

506351154061 is a wasteful number, since it uses less digits than its factorization.

506351154061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275444110.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 506351154061 in words is "five hundred six billion, three hundred fifty-one million, one hundred fifty-four thousand, sixty-one".