1245389053 has 2 divisors, whose sum is σ = 1245389054. Its totient is φ = 1245389052.

The previous prime is 1245389039. The next prime is 1245389081. The reversal of 1245389053 is 3509835421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120776484 + 124612569 = 33478^2 + 11163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245389053 - 2²⁵ = 1211834621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245388997 and 1245389015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245389653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622694526 + 622694527.

It is an arithmetic number, because the mean of its divisors is an integer number (622694527).

Almost surely, 2^1245389053 is an apocalyptic number.

It is an amenable number.

1245389053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245389053 is an equidigital number, since it uses as much as digits as its factorization.

1245389053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1245389053 is about 35290.0701756174. The cubic root of 1245389053 is about 1075.8911818225.

The spelling of 1245389053 in words is "one billion, two hundred forty-five million, three hundred eighty-nine thousand, fifty-three".