1052525213 has 4 divisors (see below), whose sum is σ = 1053059040. Its totient is φ = 1051991388.

The previous prime is 1052525207. The next prime is 1052525239. The reversal of 1052525213 is 3125252501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052525213 is a prime.

It is a super-2 number, since 2×1052525213² = 2215618648001390738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052525203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263945 + ... + 267902.

It is an arithmetic number, because the mean of its divisors is an integer number (263264760).

Almost surely, 2^1052525213 is an apocalyptic number.

It is an amenable number.

1052525213 is a deficient number, since it is larger than the sum of its proper divisors (533827).

1052525213 is an equidigital number, since it uses as much as digits as its factorization.

1052525213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533826.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1052525213 is about 32442.6449754024. The cubic root of 1052525213 is about 1017.2105036392.

Adding to 1052525213 its reverse (3125252501), we get a palindrome (4177777714).

The spelling of 1052525213 in words is "one billion, fifty-two million, five hundred twenty-five thousand, two hundred thirteen".