531351241 has 4 divisors (see below), whose sum is σ = 531504592. Its totient is φ = 531197892.

The previous prime is 531351217. The next prime is 531351259. The reversal of 531351241 is 142153135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531351241 - 2⁵ = 531351209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531351211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71355 + ... + 78448.

It is an arithmetic number, because the mean of its divisors is an integer number (132876148).

Almost surely, 2^531351241 is an apocalyptic number.

It is an amenable number.

531351241 is a deficient number, since it is larger than the sum of its proper divisors (153351).

531351241 is a wasteful number, since it uses less digits than its factorization.

531351241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153350.

The product of its digits is 1800, while the sum is 25.

The square root of 531351241 is about 23051.0572642558. The cubic root of 531351241 is about 809.9543951360.

The spelling of 531351241 in words is "five hundred thirty-one million, three hundred fifty-one thousand, two hundred forty-one".