1025540504 has 32 divisors (see below), whose sum is σ = 2143162800. Its totient is φ = 457205760.

The previous prime is 1025540501. The next prime is 1025540519. The reversal of 1025540504 is 4050455201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025540501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195857 + ... + 201024.

Almost surely, 2^1025540504 is an apocalyptic number.

It is an amenable number.

1025540504 is an abundant number, since it is smaller than the sum of its proper divisors (1117622296).

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

1025540504 is a wasteful number, since it uses less digits than its factorization.

1025540504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396923 (or 396919 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1025540504 is about 32024.0613289445. The cubic root of 1025540504 is about 1008.4420328657.

Adding to 1025540504 its reverse (4050455201), we get a palindrome (5075995705).

The spelling of 1025540504 in words is "one billion, twenty-five million, five hundred forty thousand, five hundred four".