25759929001 has 3 divisors (see below), whose sum is σ = 25760089501. Its totient is φ = 25759768502.

The previous prime is 25759928993. The next prime is 25759929047. The reversal of 25759929001 is 10092995752.

The square root of 25759929001 is 160499.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 25759929001 - 2³ = 25759928993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25759929101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80250 + ... + 240748.

Almost surely, 2^25759929001 is an apocalyptic number.

25759929001 is the 160499-th square number.

25759929001 is the 80250-th centered octagonal number.

It is an amenable number.

25759929001 is a deficient number, since it is larger than the sum of its proper divisors (160500).

25759929001 is an frugal number, since it uses more digits than its factorization.

25759929001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320998 (or 160499 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 49.

Multiplying 25759929001 by its sum of digits (49), we get a square (1262236521049 = 1123493²).

The spelling of 25759929001 in words is "twenty-five billion, seven hundred fifty-nine million, nine hundred twenty-nine thousand, one".