1052689479 has 16 divisors (see below), whose sum is σ = 1446116448. Its totient is φ = 680648832.

The previous prime is 1052689441. The next prime is 1052689481. The reversal of 1052689479 is 9749862501.

It is not a de Polignac number, because 1052689479 - 2⁸ = 1052689223 is a prime.

It is a super-2 number, since 2×1052689479² = 2216310278394582882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052689279) 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, 20229 + ... + 50145.

It is an arithmetic number, because the mean of its divisors is an integer number (90382278).

Almost surely, 2^1052689479 is an apocalyptic number.

1052689479 is a deficient number, since it is larger than the sum of its proper divisors (393426969).

1052689479 is a wasteful number, since it uses less digits than its factorization.

1052689479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30274.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1052689479 is about 32445.1765136206. The cubic root of 1052689479 is about 1017.2634190489.

The spelling of 1052689479 in words is "one billion, fifty-two million, six hundred eighty-nine thousand, four hundred seventy-nine".