1025907397 has 8 divisors (see below), whose sum is σ = 1067343872. Its totient is φ = 984992400.

The previous prime is 1025907391. The next prime is 1025907401. The reversal of 1025907397 is 7937095201.

1025907397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1025907397 - 2⁷ = 1025907269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025907391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126354 + ... + 134227.

It is an arithmetic number, because the mean of its divisors is an integer number (133417984).

Almost surely, 2^1025907397 is an apocalyptic number.

It is an amenable number.

1025907397 is a deficient number, since it is larger than the sum of its proper divisors (41436475).

1025907397 is a wasteful number, since it uses less digits than its factorization.

1025907397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260739.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 1025907397 is about 32029.7892125440. The cubic root of 1025907397 is about 1008.5622771688.

The spelling of 1025907397 in words is "one billion, twenty-five million, nine hundred seven thousand, three hundred ninety-seven".