1230290525 has 6 divisors (see below), whose sum is σ = 1525560282. Its totient is φ = 984232400.

The previous prime is 1230290497. The next prime is 1230290533. The reversal of 1230290525 is 5250920321.

It can be written as a sum of positive squares in 3 ways, for example, as 5080516 + 1225210009 = 2254^2 + 35003^2 .

It is not a de Polignac number, because 1230290525 - 2¹⁴ = 1230274141 is a prime.

It is a super-2 number, since 2×1230290525² = 3027229551809551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24605786 + ... + 24605835.

It is an arithmetic number, because the mean of its divisors is an integer number (254260047).

Almost surely, 2^1230290525 is an apocalyptic number.

It is an amenable number.

1230290525 is a deficient number, since it is larger than the sum of its proper divisors (295269757).

1230290525 is an equidigital number, since it uses as much as digits as its factorization.

1230290525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49211631 (or 49211626 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1230290525 is about 35075.4975018174. The cubic root of 1230290525 is about 1071.5256209022.

The spelling of 1230290525 in words is "one billion, two hundred thirty million, two hundred ninety thousand, five hundred twenty-five".