25235001541 has 4 divisors (see below), whose sum is σ = 25262702784. Its totient is φ = 25207300300.

The previous prime is 25235001497. The next prime is 25235001599. The reversal of 25235001541 is 14510053252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25235001541 - 2¹³ = 25234993349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235005541) 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, 13849255 + ... + 13851076.

It is an arithmetic number, because the mean of its divisors is an integer number (6315675696).

Almost surely, 2^25235001541 is an apocalyptic number.

It is an amenable number.

25235001541 is a deficient number, since it is larger than the sum of its proper divisors (27701243).

25235001541 is an equidigital number, since it uses as much as digits as its factorization.

25235001541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27701242.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 25235001541 its reverse (14510053252), we get a palindrome (39745054793).

The spelling of 25235001541 in words is "twenty-five billion, two hundred thirty-five million, one thousand, five hundred forty-one".