1042451253 has 12 divisors (see below), whose sum is σ = 1506717420. Its totient is φ = 694526976.

The previous prime is 1042451243. The next prime is 1042451299. The reversal of 1042451253 is 3521542401.

1042451253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 365306769 + 677144484 = 19113^2 + 26022^2 .

It is not a de Polignac number, because 1042451253 - 2¹⁶ = 1042385717 is a prime.

It is a super-2 number, since 2×1042451253² = 2173409229762540018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042451243) 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, 21388 + ... + 50421.

It is an arithmetic number, because the mean of its divisors is an integer number (125559785).

Almost surely, 2^1042451253 is an apocalyptic number.

It is an amenable number.

1042451253 is a deficient number, since it is larger than the sum of its proper divisors (464266167).

1042451253 is a wasteful number, since it uses less digits than its factorization.

1042451253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73428 (or 73425 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1042451253 is about 32287.0136897174. The cubic root of 1042451253 is about 1013.9547760604.

Adding to 1042451253 its reverse (3521542401), we get a palindrome (4563993654).

The spelling of 1042451253 in words is "one billion, forty-two million, four hundred fifty-one thousand, two hundred fifty-three".