801250001 has 8 divisors (see below), whose sum is σ = 857916360. Its totient is φ = 745643008.

The previous prime is 801249997. The next prime is 801250027. The reversal of 801250001 is 100052108.

801250001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 211731601 + 589518400 = 14551^2 + 24280^2 .

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 801250001 - 2² = 801249997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801250091) 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, 263276 + ... + 266301.

It is an arithmetic number, because the mean of its divisors is an integer number (107239545).

Almost surely, 2^801250001 is an apocalyptic number.

It is an amenable number.

801250001 is a deficient number, since it is larger than the sum of its proper divisors (56666359).

801250001 is a wasteful number, since it uses less digits than its factorization.

801250001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529683.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 801250001 is about 28306.3597271002. The cubic root of 801250001 is about 928.8010143418.

It can be divided in two parts, 801 and 250001, that multiplied together give a square (200250801 = 14151²).

The spelling of 801250001 in words is "eight hundred one million, two hundred fifty thousand, one".