10371521 has 2 divisors, whose sum is σ = 10371522. Its totient is φ = 10371520.

The previous prime is 10371497. The next prime is 10371541. The reversal of 10371521 is 12517301.

It is an a-pointer prime, because the next prime (10371541) can be obtained adding 10371521 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 3940225 = 2536^2 + 1985^2 .

It is an emirp because it is prime and its reverse (12517301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10371521 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10371493 and 10371502.

It is not a weakly prime, because it can be changed into another prime (10371541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5185760 + 5185761.

It is an arithmetic number, because the mean of its divisors is an integer number (5185761).

Almost surely, 2^10371521 is an apocalyptic number.

It is an amenable number.

10371521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10371521 is an equidigital number, since it uses as much as digits as its factorization.

10371521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 10371521 is about 3220.4845908652. The cubic root of 10371521 is about 218.0791523030.

Adding to 10371521 its reverse (12517301), we get a palindrome (22888822).

The spelling of 10371521 in words is "ten million, three hundred seventy-one thousand, five hundred twenty-one".