10051025521 has 2 divisors, whose sum is σ = 10051025522. Its totient is φ = 10051025520.

The previous prime is 10051025473. The next prime is 10051025531. The reversal of 10051025521 is 12552015001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10047857121 + 3168400 = 100239^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 10051025521 - 2⁷ = 10051025393 is a prime.

It is a super-2 number, since 2×10051025521² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10051025492 and 10051025501.

It is not a weakly prime, because it can be changed into another prime (10051025531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025512760 + 5025512761.

It is an arithmetic number, because the mean of its divisors is an integer number (5025512761).

Almost surely, 2^10051025521 is an apocalyptic number.

It is an amenable number.

10051025521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10051025521 is an equidigital number, since it uses as much as digits as its factorization.

10051025521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 10051025521 in words is "ten billion, fifty-one million, twenty-five thousand, five hundred twenty-one".