1052525861 has 4 divisors (see below), whose sum is σ = 1055954592. Its totient is φ = 1049097132.

The previous prime is 1052525833. The next prime is 1052525863. The reversal of 1052525861 is 1685252501.

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 not a de Polignac number, because 1052525861 - 2¹⁴ = 1052509477 is a prime.

It is a super-2 number, since 2×1052525861² = 2215621376147582642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052525863) 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, 1713905 + ... + 1714518.

It is an arithmetic number, because the mean of its divisors is an integer number (263988648).

Almost surely, 2^1052525861 is an apocalyptic number.

It is an amenable number.

1052525861 is a deficient number, since it is larger than the sum of its proper divisors (3428731).

1052525861 is an equidigital number, since it uses as much as digits as its factorization.

1052525861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428730.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1052525861 is about 32442.6549622561. The cubic root of 1052525861 is about 1017.2107123918.

The spelling of 1052525861 in words is "one billion, fifty-two million, five hundred twenty-five thousand, eight hundred sixty-one".