1454445253 has 2 divisors, whose sum is σ = 1454445254. Its totient is φ = 1454445252.

The previous prime is 1454445233. The next prime is 1454445277. The reversal of 1454445253 is 3525444541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1160219844 + 294225409 = 34062^2 + 17153^2 .

It is an emirp because it is prime and its reverse (3525444541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454445253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454445203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727222626 + 727222627.

It is an arithmetic number, because the mean of its divisors is an integer number (727222627).

Almost surely, 2^1454445253 is an apocalyptic number.

It is an amenable number.

1454445253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454445253 is an equidigital number, since it uses as much as digits as its factorization.

1454445253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 37.

The square root of 1454445253 is about 38137.1898938556. The cubic root of 1454445253 is about 1133.0066516240.

Adding to 1454445253 its reverse (3525444541), we get a palindrome (4979889794).

The spelling of 1454445253 in words is "one billion, four hundred fifty-four million, four hundred forty-five thousand, two hundred fifty-three".