1052642339 has 4 divisors (see below), whose sum is σ = 1203019824. Its totient is φ = 902264856.

The previous prime is 1052642333. The next prime is 1052642359. The reversal of 1052642339 is 9332462501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052642339 - 2⁸ = 1052642083 is a prime.

It is a super-2 number, since 2×1052642339² = 2216111787710781842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052642299 and 1052642308.

It is not an unprimeable number, because it can be changed into a prime (1052642333) 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, 75188732 + ... + 75188745.

It is an arithmetic number, because the mean of its divisors is an integer number (300754956).

Almost surely, 2^1052642339 is an apocalyptic number.

1052642339 is a deficient number, since it is larger than the sum of its proper divisors (150377485).

1052642339 is an equidigital number, since it uses as much as digits as its factorization.

1052642339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150377484.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1052642339 is about 32444.4500492765. The cubic root of 1052642339 is about 1017.2482342883.

The spelling of 1052642339 in words is "one billion, fifty-two million, six hundred forty-two thousand, three hundred thirty-nine".