1025408484 has 63 divisors (see below), whose sum is σ = 2695011193. Its totient is φ = 341226432.

The previous prime is 1025408429. The next prime is 1025408497. The reversal of 1025408484 is 4848045201.

The square root of 1025408484 is 32022.

It is a perfect power (a square), and thus also a powerful number.

1025408484 is a `hidden beast` number, since 102 + 540 + 8 + 4 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 630512100 + 394896384 = 25110^2 + 19872^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

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 20 ways as a sum of consecutive naturals, for example, 1728892 + ... + 1729484.

Almost surely, 2^1025408484 is an apocalyptic number.

1025408484 is the 32022-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025408484

1025408484 is an abundant number, since it is smaller than the sum of its proper divisors (1669602709).

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

1025408484 is an frugal number, since it uses more digits than its factorization.

1025408484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The cubic root of 1025408484 is about 1008.3987580495.

Multiplying 1025408484 by its sum of digits (36), we get a square (36914705424 = 192132²).

1025408484 divided by its sum of digits (36) gives a square (28483569 = 5337²).

The spelling of 1025408484 in words is "one billion, twenty-five million, four hundred eight thousand, four hundred eighty-four".