1025343199 has 4 divisors (see below), whose sum is σ = 1030711680. Its totient is φ = 1019974720.

The previous prime is 1025343191. The next prime is 1025343203. The reversal of 1025343199 is 9913435201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9913435201 = 2309 ⋅4293389.

It is a cyclic number.

It is not a de Polignac number, because 1025343199 - 2³ = 1025343191 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 (1025343191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683954 + ... + 2684335.

It is an arithmetic number, because the mean of its divisors is an integer number (257677920).

Almost surely, 2^1025343199 is an apocalyptic number.

1025343199 is a deficient number, since it is larger than the sum of its proper divisors (5368481).

1025343199 is an equidigital number, since it uses as much as digits as its factorization.

1025343199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368480.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1025343199 is about 32020.9806064711. The cubic root of 1025343199 is about 1008.3773569165.

The spelling of 1025343199 in words is "one billion, twenty-five million, three hundred forty-three thousand, one hundred ninety-nine".