1052889407 has 4 divisors (see below), whose sum is σ = 1114824096. Its totient is φ = 990954720.

The previous prime is 1052889391. The next prime is 1052889449. The reversal of 1052889407 is 7049882501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7049882501 = 79 ⋅89239019.

It is a cyclic number.

It is not a de Polignac number, because 1052889407 - 2⁴ = 1052889391 is a prime.

It is a super-2 number, since 2×1052889407² = 2217152206745623298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052889007) 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, 30967319 + ... + 30967352.

It is an arithmetic number, because the mean of its divisors is an integer number (278706024).

Almost surely, 2^1052889407 is an apocalyptic number.

1052889407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1052889407 is a deficient number, since it is larger than the sum of its proper divisors (61934689).

1052889407 is an equidigital number, since it uses as much as digits as its factorization.

1052889407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61934688.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1052889407 is about 32448.2573800197. The cubic root of 1052889407 is about 1017.3278149197.

The spelling of 1052889407 in words is "one billion, fifty-two million, eight hundred eighty-nine thousand, four hundred seven".