1025540365 has 16 divisors (see below), whose sum is σ = 1244759040. Its totient is φ = 811051200.

The previous prime is 1025540303. The next prime is 1025540429. The reversal of 1025540365 is 5630455201.

It is not a de Polignac number, because 1025540365 - 2⁷ = 1025540237 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 456916 + ... + 459154.

It is an arithmetic number, because the mean of its divisors is an integer number (77797440).

Almost surely, 2^1025540365 is an apocalyptic number.

It is an amenable number.

1025540365 is a deficient number, since it is larger than the sum of its proper divisors (219218675).

1025540365 is a wasteful number, since it uses less digits than its factorization.

1025540365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1025540365 is about 32024.0591587013. The cubic root of 1025540365 is about 1008.4419873049.

Adding to 1025540365 its reverse (5630455201), we get a palindrome (6655995566).

The spelling of 1025540365 in words is "one billion, twenty-five million, five hundred forty thousand, three hundred sixty-five".