523425240501731 has 2 divisors, whose sum is σ = 523425240501732. Its totient is φ = 523425240501730.

The previous prime is 523425240501673. The next prime is 523425240501733. The reversal of 523425240501731 is 137105042524325.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523425240501731 - 2¹⁰ = 523425240500707 is a prime.

It is a super-2 number, since 2×523425240501731² (a number of 30 digits) contains 22 as substring.

Together with 523425240501733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523425240501733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261712620250865 + 261712620250866.

It is an arithmetic number, because the mean of its divisors is an integer number (261712620250866).

Almost surely, 2^{523425240501731} is an apocalyptic number.

523425240501731 is a deficient number, since it is larger than the sum of its proper divisors (1).

523425240501731 is an equidigital number, since it uses as much as digits as its factorization.

523425240501731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 523425240501731 in words is "five hundred twenty-three trillion, four hundred twenty-five billion, two hundred forty million, five hundred one thousand, seven hundred thirty-one".