531403022477 has 2 divisors, whose sum is σ = 531403022478. Its totient is φ = 531403022476.

The previous prime is 531403022401. The next prime is 531403022503. The reversal of 531403022477 is 774220304135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297972965161 + 233430057316 = 545869^2 + 483146^2 .

It is a cyclic number.

It is not a de Polignac number, because 531403022477 - 2¹⁰ = 531403021453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531403022477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531403022177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265701511238 + 265701511239.

It is an arithmetic number, because the mean of its divisors is an integer number (265701511239).

Almost surely, 2^531403022477 is an apocalyptic number.

It is an amenable number.

531403022477 is a deficient number, since it is larger than the sum of its proper divisors (1).

531403022477 is an equidigital number, since it uses as much as digits as its factorization.

531403022477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 531403022477 in words is "five hundred thirty-one billion, four hundred three million, twenty-two thousand, four hundred seventy-seven".