1052638311 has 4 divisors (see below), whose sum is σ = 1403517752. Its totient is φ = 701758872.

The previous prime is 1052638303. The next prime is 1052638373. The reversal of 1052638311 is 1138362501.

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

It is not a de Polignac number, because 1052638311 - 2³ = 1052638303 is a prime.

It is a super-2 number, since 2×1052638311² = 2216094827569865442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052638381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175439716 + ... + 175439721.

It is an arithmetic number, because the mean of its divisors is an integer number (350879438).

Almost surely, 2^1052638311 is an apocalyptic number.

1052638311 is a deficient number, since it is larger than the sum of its proper divisors (350879441).

1052638311 is an equidigital number, since it uses as much as digits as its factorization.

1052638311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350879440.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1052638311 is about 32444.3879738854. The cubic root of 1052638311 is about 1017.2469367658.

The spelling of 1052638311 in words is "one billion, fifty-two million, six hundred thirty-eight thousand, three hundred eleven".