10521031 has 2 divisors, whose sum is σ = 10521032. Its totient is φ = 10521030.

The previous prime is 10521013. The next prime is 10521053. The reversal of 10521031 is 13012501.

Together with previous prime (10521013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10521031 - 2¹³ = 10512839 is a prime.

It is a super-2 number, since 2×10521031² = 221384186605922, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260515 + 5260516.

It is an arithmetic number, because the mean of its divisors is an integer number (5260516).

Almost surely, 2^10521031 is an apocalyptic number.

10521031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521031 is an equidigital number, since it uses as much as digits as its factorization.

10521031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 10521031 is about 3243.6138796102. The cubic root of 10521031 is about 219.1220589642.

Adding to 10521031 its reverse (13012501), we get a palindrome (23533532).

The spelling of 10521031 in words is "ten million, five hundred twenty-one thousand, thirty-one".