25025461542 has 64 divisors (see below), whose sum is σ = 56000056320. Its totient is φ = 8283844800.

The previous prime is 25025461523. The next prime is 25025461561. The reversal of 25025461542 is 24516452052.

25025461542 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 54 + 61 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (25025461523) and next prime (25025461561).

It is a junction number, because it is equal to n+sod(n) for n = 25025461497 and 25025461506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4716463 + ... + 4721765.

It is an arithmetic number, because the mean of its divisors is an integer number (875000880).

Almost surely, 2^25025461542 is an apocalyptic number.

25025461542 is an abundant number, since it is smaller than the sum of its proper divisors (30974594778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25025461542 is a wasteful number, since it uses less digits than its factorization.

25025461542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5900 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 25025461542 in words is "twenty-five billion, twenty-five million, four hundred sixty-one thousand, five hundred forty-two".