25264150417 has 4 divisors (see below), whose sum is σ = 27560891376. Its totient is φ = 22967409460.

The previous prime is 25264150397. The next prime is 25264150427. The reversal of 25264150417 is 71405146252.

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 a de Polignac number, because none of the positive numbers 2^k-25264150417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25264150427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148370463 + ... + 1148370484.

It is an arithmetic number, because the mean of its divisors is an integer number (6890222844).

Almost surely, 2^25264150417 is an apocalyptic number.

It is an amenable number.

25264150417 is a deficient number, since it is larger than the sum of its proper divisors (2296740959).

25264150417 is a wasteful number, since it uses less digits than its factorization.

25264150417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296740958.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 25264150417 its reverse (71405146252), we get a palindrome (96669296669).

The spelling of 25264150417 in words is "twenty-five billion, two hundred sixty-four million, one hundred fifty thousand, four hundred seventeen".