6361254506531 has 4 divisors (see below), whose sum is σ = 6361961243064. Its totient is φ = 6360547770000.

The previous prime is 6361254506479. The next prime is 6361254506567. The reversal of 6361254506531 is 1356054521636.

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

It is a cyclic number.

It is not a de Polignac number, because 6361254506531 - 2³⁴ = 6344074637347 is a prime.

It is a super-2 number, since 2×6361254506531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6361254506591) 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, 353354765 + ... + 353372766.

It is an arithmetic number, because the mean of its divisors is an integer number (1590490310766).

Almost surely, 2^{6361254506531} is an apocalyptic number.

6361254506531 is a deficient number, since it is larger than the sum of its proper divisors (706736533).

6361254506531 is an equidigital number, since it uses as much as digits as its factorization.

6361254506531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706736532.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 6361254506531 in words is "six trillion, three hundred sixty-one billion, two hundred fifty-four million, five hundred six thousand, five hundred thirty-one".