10242125225 has 6 divisors (see below), whose sum is σ = 12700235310. Its totient is φ = 8193700160.

The previous prime is 10242125219. The next prime is 10242125249. The reversal of 10242125225 is 52252124201.

It can be written as a sum of positive squares in 3 ways, for example, as 1379973904 + 8862151321 = 37148^2 + 94139^2 .

It is not a de Polignac number, because 10242125225 - 2⁸ = 10242124969 is a prime.

It is a super-2 number, since 2×10242125225² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10242125194 and 10242125203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204842480 + ... + 204842529.

It is an arithmetic number, because the mean of its divisors is an integer number (2116705885).

Almost surely, 2^10242125225 is an apocalyptic number.

It is an amenable number.

10242125225 is a deficient number, since it is larger than the sum of its proper divisors (2458110085).

10242125225 is an equidigital number, since it uses as much as digits as its factorization.

10242125225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409685019 (or 409685014 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 10242125225 its reverse (52252124201), we get a palindrome (62494249426).

The spelling of 10242125225 in words is "ten billion, two hundred forty-two million, one hundred twenty-five thousand, two hundred twenty-five".