1025438313 has 16 divisors (see below), whose sum is σ = 1418695040. Its totient is φ = 658285056.

The previous prime is 1025438311. The next prime is 1025438321. The reversal of 1025438313 is 3138345201.

It is not a de Polignac number, because 1025438313 - 2¹ = 1025438311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025438311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36853 + ... + 58386.

It is an arithmetic number, because the mean of its divisors is an integer number (88668440).

Almost surely, 2^1025438313 is an apocalyptic number.

It is an amenable number.

1025438313 is a deficient number, since it is larger than the sum of its proper divisors (393256727).

1025438313 is an equidigital number, since it uses as much as digits as its factorization.

1025438313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95376.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1025438313 is about 32022.4657545293. The cubic root of 1025438313 is about 1008.4085360178.

The spelling of 1025438313 in words is "one billion, twenty-five million, four hundred thirty-eight thousand, three hundred thirteen".