531365425 has 6 divisors (see below), whose sum is σ = 658893158. Its totient is φ = 425092320.

The previous prime is 531365423. The next prime is 531365431. The reversal of 531365425 is 524563135.

It can be written as a sum of positive squares in 3 ways, for example, as 5626384 + 525739041 = 2372^2 + 22929^2 .

It is not a de Polignac number, because 531365425 - 2¹ = 531365423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531365423) 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, 10627284 + ... + 10627333.

Almost surely, 2^531365425 is an apocalyptic number.

It is an amenable number.

531365425 is a deficient number, since it is larger than the sum of its proper divisors (127527733).

531365425 is a wasteful number, since it uses less digits than its factorization.

531365425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254627 (or 21254622 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 531365425 is about 23051.3649270493. The cubic root of 531365425 is about 809.9616021019.

The spelling of 531365425 in words is "five hundred thirty-one million, three hundred sixty-five thousand, four hundred twenty-five".