1052545639 has 2 divisors, whose sum is σ = 1052545640. Its totient is φ = 1052545638.

The previous prime is 1052545577. The next prime is 1052545643. The reversal of 1052545639 is 9365452501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1052545639 - 2²⁹ = 515674727 is a prime.

It is a super-2 number, since 2×1052545639² = 2215704644355836642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052545699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526272819 + 526272820.

It is an arithmetic number, because the mean of its divisors is an integer number (526272820).

Almost surely, 2^1052545639 is an apocalyptic number.

1052545639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052545639 is an equidigital number, since it uses as much as digits as its factorization.

1052545639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 1052545639 is about 32442.9597755815. The cubic root of 1052545639 is about 1017.2170838164.

The spelling of 1052545639 in words is "one billion, fifty-two million, five hundred forty-five thousand, six hundred thirty-nine".