1025521053 has 8 divisors (see below), whose sum is σ = 1368681600. Its totient is φ = 683020608.

The previous prime is 1025521043. The next prime is 1025521103. The reversal of 1025521053 is 3501255201.

It is a happy number.

1025521053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025521053 - 2⁶ = 1025520989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025521043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161388 + ... + 167621.

It is an arithmetic number, because the mean of its divisors is an integer number (171085200).

Almost surely, 2^1025521053 is an apocalyptic number.

It is an amenable number.

1025521053 is a deficient number, since it is larger than the sum of its proper divisors (343160547).

1025521053 is a wasteful number, since it uses less digits than its factorization.

1025521053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330051.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1025521053 is about 32023.7576339817. The cubic root of 1025521053 is about 1008.4356572586.

Adding to 1025521053 its reverse (3501255201), we get a palindrome (4526776254).

The spelling of 1025521053 in words is "one billion, twenty-five million, five hundred twenty-one thousand, fifty-three".