506051231461 has 4 divisors (see below), whose sum is σ = 506297727052. Its totient is φ = 505804735872.

The previous prime is 506051231437. The next prime is 506051231519. The reversal of 506051231461 is 164132150605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276892754436 + 229158477025 = 526206^2 + 478705^2 .

It is a cyclic number.

It is not a de Polignac number, because 506051231461 - 2⁷ = 506051231333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506051231431) 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, 123244716 + ... + 123248821.

It is an arithmetic number, because the mean of its divisors is an integer number (126574431763).

Almost surely, 2^506051231461 is an apocalyptic number.

It is an amenable number.

506051231461 is a deficient number, since it is larger than the sum of its proper divisors (246495591).

506051231461 is a wasteful number, since it uses less digits than its factorization.

506051231461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246495590.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 506051231461 in words is "five hundred six billion, fifty-one million, two hundred thirty-one thousand, four hundred sixty-one".