1025521350 has 96 divisors (see below), whose sum is σ = 2912599296. Its totient is φ = 233923200.

The previous prime is 1025521313. The next prime is 1025521361. The reversal of 1025521350 is 531255201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025521350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 867760 + ... + 868940.

It is an arithmetic number, because the mean of its divisors is an integer number (30339576).

Almost surely, 2^1025521350 is an apocalyptic number.

1025521350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025521350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456299648).

1025521350 is an abundant number, since it is smaller than the sum of its proper divisors (1887077946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025521350 is a wasteful number, since it uses less digits than its factorization.

1025521350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2025 counting only the distinct ones).

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

The square root of 1025521350 is about 32023.7622711636. The cubic root of 1025521350 is about 1008.4357546092.

Adding to 1025521350 its reverse (531255201), we get a palindrome (1556776551).

The spelling of 1025521350 in words is "one billion, twenty-five million, five hundred twenty-one thousand, three hundred fifty".