1025750813 has 8 divisors (see below), whose sum is σ = 1057430400. Its totient is φ = 994547808.

The previous prime is 1025750809. The next prime is 1025750821. The reversal of 1025750813 is 3180575201.

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 1025750813 - 2² = 1025750809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025750813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025750863) 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, 114773 + ... + 123386.

It is an arithmetic number, because the mean of its divisors is an integer number (132178800).

Almost surely, 2^1025750813 is an apocalyptic number.

It is an amenable number.

1025750813 is a deficient number, since it is larger than the sum of its proper divisors (31679587).

1025750813 is an equidigital number, since it uses as much as digits as its factorization.

1025750813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238291.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1025750813 is about 32027.3447697432. The cubic root of 1025750813 is about 1008.5109623518.

The spelling of 1025750813 in words is "one billion, twenty-five million, seven hundred fifty thousand, eight hundred thirteen".