1025206619597 has 8 divisors (see below), whose sum is σ = 1103911416000. Its totient is φ = 948546103744.

The previous prime is 1025206619557. The next prime is 1025206619653. The reversal of 1025206619597 is 7959166025201.

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

It is not a de Polignac number, because 1025206619597 - 2¹⁰ = 1025206618573 is a prime.

It is a super-2 number, since 2×1025206619597² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025206619557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511069097 + ... + 511071102.

It is an arithmetic number, because the mean of its divisors is an integer number (137988927000).

Almost surely, 2^{1025206619597} is an apocalyptic number.

1025206619597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1025206619597 is a deficient number, since it is larger than the sum of its proper divisors (78704796403).

1025206619597 is a wasteful number, since it uses less digits than its factorization.

1025206619597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022140275.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 1025206619597 in words is "one trillion, twenty-five billion, two hundred six million, six hundred nineteen thousand, five hundred ninety-seven".