1025244165 has 16 divisors (see below), whose sum is σ = 1789517376. Its totient is φ = 497088000.

The previous prime is 1025244139. The next prime is 1025244167. The reversal of 1025244165 is 5614425201.

It is not a de Polignac number, because 1025244165 - 2¹⁷ = 1025113093 is a prime.

It is a super-2 number, since 2×1025244165² = 2102251195733094450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025244167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3106636 + ... + 3106965.

It is an arithmetic number, because the mean of its divisors is an integer number (111844836).

Almost surely, 2^1025244165 is an apocalyptic number.

1025244165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025244165 is a deficient number, since it is larger than the sum of its proper divisors (764273211).

1025244165 is a wasteful number, since it uses less digits than its factorization.

1025244165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213620.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1025244165 is about 32019.4341767621. The cubic root of 1025244165 is about 1008.3448907599.

Adding to 1025244165 its reverse (5614425201), we get a palindrome (6639669366).

The spelling of 1025244165 in words is "one billion, twenty-five million, two hundred forty-four thousand, one hundred sixty-five".