1255263453 has 24 divisors (see below), whose sum is σ = 1872964800. Its totient is φ = 830892600.

The previous prime is 1255263437. The next prime is 1255263473. The reversal of 1255263453 is 3543625521.

1255263453 is a `hidden beast` number, since 1 + 2 + 552 + 63 + 45 + 3 = 666.

It is not a de Polignac number, because 1255263453 - 2⁴ = 1255263437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255263413) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 614608 + ... + 616646.

It is an arithmetic number, because the mean of its divisors is an integer number (78040200).

Almost surely, 2^1255263453 is an apocalyptic number.

It is an amenable number.

1255263453 is a deficient number, since it is larger than the sum of its proper divisors (617701347).

1255263453 is an equidigital number, since it uses as much as digits as its factorization.

1255263453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2193 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 1255263453 is about 35429.6973314760. The cubic root of 1255263453 is about 1078.7271965504.

Adding to 1255263453 its reverse (3543625521), we get a palindrome (4798888974).

The spelling of 1255263453 in words is "one billion, two hundred fifty-five million, two hundred sixty-three thousand, four hundred fifty-three".