1040279253 has 16 divisors (see below), whose sum is σ = 1505144256. Its totient is φ = 635281920.

The previous prime is 1040279179. The next prime is 1040279257. The reversal of 1040279253 is 3529720401.

1040279253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040279253 - 2²⁴ = 1023502037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040279257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96700 + ... + 106917.

It is an arithmetic number, because the mean of its divisors is an integer number (94071516).

Almost surely, 2^1040279253 is an apocalyptic number.

1040279253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1040279253 is a deficient number, since it is larger than the sum of its proper divisors (464865003).

1040279253 is a wasteful number, since it uses less digits than its factorization.

1040279253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203764.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1040279253 is about 32253.3603365603. The cubic root of 1040279253 is about 1013.2500776931.

Adding to 1040279253 its reverse (3529720401), we get a palindrome (4569999654).

The spelling of 1040279253 in words is "one billion, forty million, two hundred seventy-nine thousand, two hundred fifty-three".