25031032541 has 4 divisors (see below), whose sum is σ = 25707546972. Its totient is φ = 24354518112.

The previous prime is 25031032531. The next prime is 25031032547. The reversal of 25031032541 is 14523013052.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21971836441 + 3059196100 = 148229^2 + 55310^2 .

It is a cyclic number.

It is not a de Polignac number, because 25031032541 - 2¹⁰ = 25031031517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25031032541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25031032547) 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, 338257160 + ... + 338257233.

It is an arithmetic number, because the mean of its divisors is an integer number (6426886743).

Almost surely, 2^25031032541 is an apocalyptic number.

It is an amenable number.

25031032541 is a deficient number, since it is larger than the sum of its proper divisors (676514431).

25031032541 is an equidigital number, since it uses as much as digits as its factorization.

25031032541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676514430.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 25031032541 its reverse (14523013052), we get a palindrome (39554045593).

The spelling of 25031032541 in words is "twenty-five billion, thirty-one million, thirty-two thousand, five hundred forty-one".