1052421325 has 24 divisors (see below), whose sum is σ = 1363412736. Its totient is φ = 804912000.

The previous prime is 1052421323. The next prime is 1052421347. The reversal of 1052421325 is 5231242501.

It is not a de Polignac number, because 1052421325 - 2¹ = 1052421323 is a prime.

It is a super-2 number, since 2×1052421325² = 2215181290629511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1052421325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052421323) 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 23 ways as a sum of consecutive naturals, for example, 56145 + ... + 72505.

It is an arithmetic number, because the mean of its divisors is an integer number (56808864).

Almost surely, 2^1052421325 is an apocalyptic number.

It is an amenable number.

1052421325 is a deficient number, since it is larger than the sum of its proper divisors (310991411).

1052421325 is a wasteful number, since it uses less digits than its factorization.

1052421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485 (or 16480 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1052421325 is about 32441.0438333911. The cubic root of 1052421325 is about 1017.1770351007.

Adding to 1052421325 its reverse (5231242501), we get a palindrome (6283663826).

The spelling of 1052421325 in words is "one billion, fifty-two million, four hundred twenty-one thousand, three hundred twenty-five".