8252241407531 has 6 divisors (see below), whose sum is σ = 9070645514196. Its totient is φ = 7502037643100.

The previous prime is 8252241407519. The next prime is 8252241407621. The reversal of 8252241407531 is 1357041422528.

It is not a de Polignac number, because 8252241407531 - 2³⁰ = 8251167665707 is a prime.

It is a super-2 number, since 2×8252241407531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8252241607531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34100170985 + ... + 34100171226.

It is an arithmetic number, because the mean of its divisors is an integer number (1511774252366).

Almost surely, 2^{8252241407531} is an apocalyptic number.

8252241407531 is a deficient number, since it is larger than the sum of its proper divisors (818404106665).

8252241407531 is a wasteful number, since it uses less digits than its factorization.

8252241407531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68200342233 (or 68200342222 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 8252241407531 in words is "eight trillion, two hundred fifty-two billion, two hundred forty-one million, four hundred seven thousand, five hundred thirty-one".