1053547639 has 4 divisors (see below), whose sum is σ = 1059433560. Its totient is φ = 1047661720.

The previous prime is 1053547631. The next prime is 1053547697. The reversal of 1053547639 is 9367453501.

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 1053547639 - 2³ = 1053547631 is a prime.

It is a super-2 number, since 2×1053547639² = 2219925255284948642, 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 = 1053547595 and 1053547604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053547631) 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, 2942692 + ... + 2943049.

It is an arithmetic number, because the mean of its divisors is an integer number (264858390).

Almost surely, 2^1053547639 is an apocalyptic number.

1053547639 is a deficient number, since it is larger than the sum of its proper divisors (5885921).

1053547639 is an equidigital number, since it uses as much as digits as its factorization.

1053547639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885920.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 1053547639 is about 32458.3985895792. The cubic root of 1053547639 is about 1017.5397707753.

The spelling of 1053547639 in words is "one billion, fifty-three million, five hundred forty-seven thousand, six hundred thirty-nine".