10302745225 has 12 divisors (see below), whose sum is σ = 12777344524. Its totient is φ = 8240944320.

The previous prime is 10302745223. The next prime is 10302745237. The reversal of 10302745225 is 52254720301.

It can be written as a sum of positive squares in 6 ways, for example, as 2015920201 + 8286825024 = 44899^2 + 91032^2 .

It is not a de Polignac number, because 10302745225 - 2¹ = 10302745223 is a prime.

It is a super-2 number, since 2×10302745225² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10302745223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159367 + ... + 214483.

Almost surely, 2^10302745225 is an apocalyptic number.

It is an amenable number.

10302745225 is a deficient number, since it is larger than the sum of its proper divisors (2474599299).

10302745225 is an equidigital number, since it uses as much as digits as its factorization.

10302745225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62604 (or 62599 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 10302745225 in words is "ten billion, three hundred two million, seven hundred forty-five thousand, two hundred twenty-five".