531060460370681 has 4 divisors (see below), whose sum is σ = 535114357014864. Its totient is φ = 527006563726500.

The previous prime is 531060460370659. The next prime is 531060460370689. The reversal of 531060460370681 is 186073064060135.

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 531060460370681 - 2⁶ = 531060460370617 is a prime.

It is a super-2 number, since 2×531060460370681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531060460370689) 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, 2026948321895 + ... + 2026948322156.

It is an arithmetic number, because the mean of its divisors is an integer number (133778589253716).

Almost surely, 2^{531060460370681} is an apocalyptic number.

It is an amenable number.

531060460370681 is a deficient number, since it is larger than the sum of its proper divisors (4053896644183).

531060460370681 is a wasteful number, since it uses less digits than its factorization.

531060460370681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053896644182.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 531060460370681 in words is "five hundred thirty-one trillion, sixty billion, four hundred sixty million, three hundred seventy thousand, six hundred eighty-one".