10531457 has 2 divisors, whose sum is σ = 10531458. Its totient is φ = 10531456.

The previous prime is 10531429. The next prime is 10531513. The reversal of 10531457 is 75413501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10523536 + 7921 = 3244^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 10531457 - 2⁸ = 10531201 is a prime.

It is a super-3 number, since 3×10531457³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10531657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265728 + 5265729.

It is an arithmetic number, because the mean of its divisors is an integer number (5265729).

Almost surely, 2^10531457 is an apocalyptic number.

It is an amenable number.

10531457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10531457 is an equidigital number, since it uses as much as digits as its factorization.

10531457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 10531457 is about 3245.2206396484. The cubic root of 10531457 is about 219.1944160160.

Adding to 10531457 its reverse (75413501), we get a palindrome (85944958).

The spelling of 10531457 in words is "ten million, five hundred thirty-one thousand, four hundred fifty-seven".