1025381726 has 16 divisors (see below), whose sum is σ = 1549851408. Its totient is φ = 508776000.

The previous prime is 1025381723. The next prime is 1025381729. The reversal of 1025381726 is 6271835201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1025381723) and next prime (1025381729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025381723) 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 7 ways as a sum of consecutive naturals, for example, 205481 + ... + 210411.

It is an arithmetic number, because the mean of its divisors is an integer number (96865713).

Almost surely, 2^1025381726 is an apocalyptic number.

1025381726 is a deficient number, since it is larger than the sum of its proper divisors (524469682).

1025381726 is a wasteful number, since it uses less digits than its factorization.

1025381726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1025381726 is about 32021.5821907663. The cubic root of 1025381726 is about 1008.3899865960.

The spelling of 1025381726 in words is "one billion, twenty-five million, three hundred eighty-one thousand, seven hundred twenty-six".