1293005525 has 12 divisors (see below), whose sum is σ = 1832373792. Its totient is φ = 886632240.

The previous prime is 1293005521. The next prime is 1293005531. The reversal of 1293005525 is 5255003921.

It is not a de Polignac number, because 1293005525 - 2² = 1293005521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1293005491 and 1293005500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293005521) 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, 3694127 + ... + 3694476.

It is an arithmetic number, because the mean of its divisors is an integer number (152697816).

Almost surely, 2^1293005525 is an apocalyptic number.

It is an amenable number.

1293005525 is a deficient number, since it is larger than the sum of its proper divisors (539368267).

1293005525 is an equidigital number, since it uses as much as digits as its factorization.

1293005525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388620 (or 7388615 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1293005525 is about 35958.3860177289. The cubic root of 1293005525 is about 1089.4319979225.

The spelling of 1293005525 in words is "one billion, two hundred ninety-three million, five thousand, five hundred twenty-five".