1040253245 has 4 divisors (see below), whose sum is σ = 1248303900. Its totient is φ = 832202592.

The previous prime is 1040253217. The next prime is 1040253257. The reversal of 1040253245 is 5423520401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174187204 + 866066041 = 13198^2 + 29429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040253245 - 2¹⁰ = 1040252221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104025320 + ... + 104025329.

It is an arithmetic number, because the mean of its divisors is an integer number (312075975).

Almost surely, 2^1040253245 is an apocalyptic number.

It is an amenable number.

1040253245 is a deficient number, since it is larger than the sum of its proper divisors (208050655).

1040253245 is an equidigital number, since it uses as much as digits as its factorization.

1040253245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208050654.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1040253245 is about 32252.9571512443. The cubic root of 1040253245 is about 1013.2416335414.

Adding to 1040253245 its reverse (5423520401), we get a palindrome (6463773646).

The spelling of 1040253245 in words is "one billion, forty million, two hundred fifty-three thousand, two hundred forty-five".