25451025039 has 16 divisors (see below), whose sum is σ = 41132970240. Its totient is φ = 15424863480.

The previous prime is 25451025001. The next prime is 25451025071. The reversal of 25451025039 is 93052015452.

It is a happy number.

25451025039 is a `hidden beast` number, since 2 + 5 + 45 + 102 + 503 + 9 = 666.

It is not a de Polignac number, because 25451025039 - 2⁹ = 25451024527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25451024994 and 25451025012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25451025139) 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, 42846547 + ... + 42847140.

It is an arithmetic number, because the mean of its divisors is an integer number (2570810640).

Almost surely, 2^25451025039 is an apocalyptic number.

25451025039 is a deficient number, since it is larger than the sum of its proper divisors (15681945201).

25451025039 is a wasteful number, since it uses less digits than its factorization.

25451025039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85693707 (or 85693701 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 25451025039 in words is "twenty-five billion, four hundred fifty-one million, twenty-five thousand, thirty-nine".