25229484071 has 4 divisors (see below), whose sum is σ = 27523073544. Its totient is φ = 22935894600.

The previous prime is 25229484037. The next prime is 25229484079. The reversal of 25229484071 is 17048492252.

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

It is a cyclic number.

It is not a de Polignac number, because 25229484071 - 2¹⁴ = 25229467687 is a prime.

It is a super-3 number, since 3×25229484071³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229484079) 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, 1146794720 + ... + 1146794741.

It is an arithmetic number, because the mean of its divisors is an integer number (6880768386).

Almost surely, 2^25229484071 is an apocalyptic number.

25229484071 is a deficient number, since it is larger than the sum of its proper divisors (2293589473).

25229484071 is a wasteful number, since it uses less digits than its factorization.

25229484071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293589472.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 25229484071 in words is "twenty-five billion, two hundred twenty-nine million, four hundred eighty-four thousand, seventy-one".