1052405131 has 4 divisors (see below), whose sum is σ = 1052682264. Its totient is φ = 1052128000.

The previous prime is 1052405129. The next prime is 1052405141. The reversal of 1052405131 is 1315042501.

It is a happy number.

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 1052405131 - 2¹ = 1052405129 is a prime.

It is a super-2 number, since 2×1052405131² = 2215113119510254322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052405141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132790 + ... + 140491.

It is an arithmetic number, because the mean of its divisors is an integer number (263170566).

Almost surely, 2^1052405131 is an apocalyptic number.

1052405131 is a deficient number, since it is larger than the sum of its proper divisors (277133).

1052405131 is an equidigital number, since it uses as much as digits as its factorization.

1052405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277132.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1052405131 is about 32440.7942412019. The cubic root of 1052405131 is about 1017.1718178463.

Adding to 1052405131 its reverse (1315042501), we get a palindrome (2367447632).

The spelling of 1052405131 in words is "one billion, fifty-two million, four hundred five thousand, one hundred thirty-one".