1025413765 has 8 divisors (see below), whose sum is σ = 1230743448. Its totient is φ = 820166400.

The previous prime is 1025413757. The next prime is 1025413771. The reversal of 1025413765 is 5673145201.

1025413765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 749554884 + 275858881 = 27378^2 + 16609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025413765 - 2³ = 1025413757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025413765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11329 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (153842931).

Almost surely, 2^1025413765 is an apocalyptic number.

It is an amenable number.

1025413765 is a deficient number, since it is larger than the sum of its proper divisors (205329683).

1025413765 is an equidigital number, since it uses as much as digits as its factorization.

1025413765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41159.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1025413765 is about 32022.0824588283. The cubic root of 1025413765 is about 1008.4004891790.

Adding to 1025413765 its reverse (5673145201), we get a palindrome (6698558966).

The spelling of 1025413765 in words is "one billion, twenty-five million, four hundred thirteen thousand, seven hundred sixty-five".