25228023001 has 4 divisors (see below), whose sum is σ = 26712024372. Its totient is φ = 23744021632.

The previous prime is 25228022971. The next prime is 25228023011. The reversal of 25228023001 is 10032082252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18226350025 + 7001672976 = 135005^2 + 83676^2 .

It is a cyclic number.

It is not a de Polignac number, because 25228023001 - 2⁷ = 25228022873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25228023011) 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, 742000660 + ... + 742000693.

It is an arithmetic number, because the mean of its divisors is an integer number (6678006093).

Almost surely, 2^25228023001 is an apocalyptic number.

It is an amenable number.

25228023001 is a deficient number, since it is larger than the sum of its proper divisors (1484001371).

25228023001 is a wasteful number, since it uses less digits than its factorization.

25228023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484001370.

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 25228023001 in words is "twenty-five billion, two hundred twenty-eight million, twenty-three thousand, one".