10522541621 has 2 divisors, whose sum is σ = 10522541622. Its totient is φ = 10522541620.

The previous prime is 10522541597. The next prime is 10522541641. The reversal of 10522541621 is 12614522501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6812026225 + 3710515396 = 82535^2 + 60914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10522541621 - 2²² = 10518347317 is a prime.

It is a super-2 number, since 2×10522541621² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10522541641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261270810 + 5261270811.

It is an arithmetic number, because the mean of its divisors is an integer number (5261270811).

Almost surely, 2^10522541621 is an apocalyptic number.

It is an amenable number.

10522541621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10522541621 is an equidigital number, since it uses as much as digits as its factorization.

10522541621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 10522541621 in words is "ten billion, five hundred twenty-two million, five hundred forty-one thousand, six hundred twenty-one".