1052521051 has 4 divisors (see below), whose sum is σ = 1114434072. Its totient is φ = 990608032.

The previous prime is 1052521033. The next prime is 1052521069. The reversal of 1052521051 is 1501252501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1052521033) and next prime (1052521069).

It is a cyclic number.

It is not a de Polignac number, because 1052521051 - 2⁷ = 1052520923 is a prime.

It is a super-2 number, since 2×1052521051² = 2215601125596289202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052521751) 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, 30956485 + ... + 30956518.

It is an arithmetic number, because the mean of its divisors is an integer number (278608518).

Almost surely, 2^1052521051 is an apocalyptic number.

1052521051 is a deficient number, since it is larger than the sum of its proper divisors (61913021).

1052521051 is an equidigital number, since it uses as much as digits as its factorization.

1052521051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61913020.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1052521051 is about 32442.5808313704. The cubic root of 1052521051 is about 1017.2091628524.

Adding to 1052521051 its reverse (1501252501), we get a palindrome (2553773552).

It can be divided in two parts, 10525 and 21051, that multiplied together give a triangular number (221561775 = T₂₁₀₅₀).

The spelling of 1052521051 in words is "one billion, fifty-two million, five hundred twenty-one thousand, fifty-one".