25428567241 has 16 divisors (see below), whose sum is σ = 33568041600. Its totient is φ = 18648910080.

The previous prime is 25428567239. The next prime is 25428567259. The reversal of 25428567241 is 14276582452.

It is a cyclic number.

It is not a de Polignac number, because 25428567241 - 2¹ = 25428567239 is a prime.

It is a super-2 number, since 2×25428567241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25428567191 and 25428567200.

It is not an unprimeable number, because it can be changed into a prime (25428567341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9711666 + ... + 9714283.

It is an arithmetic number, because the mean of its divisors is an integer number (2098002600).

Almost surely, 2^25428567241 is an apocalyptic number.

It is an amenable number.

25428567241 is a deficient number, since it is larger than the sum of its proper divisors (8139474359).

25428567241 is a wasteful number, since it uses less digits than its factorization.

25428567241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425984.

The product of its digits is 1075200, while the sum is 46.

The spelling of 25428567241 in words is "twenty-five billion, four hundred twenty-eight million, five hundred sixty-seven thousand, two hundred forty-one".