531403255400201 has 12 divisors (see below), whose sum is σ = 545342258249856. Its totient is φ = 517812257122080.

The previous prime is 531403255400117. The next prime is 531403255400203. The reversal of 531403255400201 is 102004552304135.

It is not a de Polignac number, because 531403255400201 - 2³⁸ = 531128377493257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531403255400203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190672001 + ... + 193438926.

It is an arithmetic number, because the mean of its divisors is an integer number (45445188187488).

Almost surely, 2^{531403255400201} is an apocalyptic number.

It is an amenable number.

531403255400201 is a deficient number, since it is larger than the sum of its proper divisors (13939002849655).

531403255400201 is an equidigital number, since it uses as much as digits as its factorization.

531403255400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384111832 (or 384111791 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 531403255400201 in words is "five hundred thirty-one trillion, four hundred three billion, two hundred fifty-five million, four hundred thousand, two hundred one".