25400523201 has 8 divisors (see below), whose sum is σ = 33987889824. Its totient is φ = 16873419360.

The previous prime is 25400523173. The next prime is 25400523221. The reversal of 25400523201 is 10232500452.

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

It is not a de Polignac number, because 25400523201 - 2¹⁸ = 25400261057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25400523221) 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, 15064711 + ... + 15066396.

It is an arithmetic number, because the mean of its divisors is an integer number (4248486228).

Almost surely, 2^25400523201 is an apocalyptic number.

It is an amenable number.

25400523201 is a deficient number, since it is larger than the sum of its proper divisors (8587366623).

25400523201 is a wasteful number, since it uses less digits than its factorization.

25400523201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30131391.

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 25400523201 in words is "twenty-five billion, four hundred million, five hundred twenty-three thousand, two hundred one".