1052632739 has 4 divisors (see below), whose sum is σ = 1052713056. Its totient is φ = 1052552424.

The previous prime is 1052632717. The next prime is 1052632753. The reversal of 1052632739 is 9372362501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9372362501 = 199 ⋅47097299.

It is a cyclic number.

It is not a de Polignac number, because 1052632739 - 2¹⁶ = 1052567203 is a prime.

It is a super-2 number, since 2×1052632739² = 2216071366429284242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052632759) 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, 15419 + ... + 48404.

It is an arithmetic number, because the mean of its divisors is an integer number (263178264).

Almost surely, 2^1052632739 is an apocalyptic number.

1052632739 is a deficient number, since it is larger than the sum of its proper divisors (80317).

1052632739 is an equidigital number, since it uses as much as digits as its factorization.

1052632739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80316.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1052632739 is about 32444.3021037593. The cubic root of 1052632739 is about 1017.2451418758.

The spelling of 1052632739 in words is "one billion, fifty-two million, six hundred thirty-two thousand, seven hundred thirty-nine".