1245283453 has 2 divisors, whose sum is σ = 1245283454. Its totient is φ = 1245283452.

The previous prime is 1245283393. The next prime is 1245283499. The reversal of 1245283453 is 3543825421.

It is the 14407-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208049049 + 37234404 = 34757^2 + 6102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245283453 - 2¹³ = 1245275261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245283153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622641726 + 622641727.

It is an arithmetic number, because the mean of its divisors is an integer number (622641727).

Almost surely, 2^1245283453 is an apocalyptic number.

It is an amenable number.

1245283453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245283453 is an equidigital number, since it uses as much as digits as its factorization.

1245283453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 1245283453 is about 35288.5739723214. The cubic root of 1245283453 is about 1075.8607716949.

The spelling of 1245283453 in words is "one billion, two hundred forty-five million, two hundred eighty-three thousand, four hundred fifty-three".