25341322154 has 4 divisors (see below), whose sum is σ = 38011983234. Its totient is φ = 12670661076.

The previous prime is 25341322151. The next prime is 25341322169. The reversal of 25341322154 is 45122314352.

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

It can be written as a sum of positive squares in only one way, i.e., 17444333929 + 7896988225 = 132077^2 + 88865^2 .

It is a super-2 number, since 2×25341322154² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25341322154.

It is not an unprimeable number, because it can be changed into a prime (25341322151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6335330537 + ... + 6335330540.

Almost surely, 2^25341322154 is an apocalyptic number.

25341322154 is a deficient number, since it is larger than the sum of its proper divisors (12670661080).

25341322154 is a wasteful number, since it uses less digits than its factorization.

25341322154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670661079.

The product of its digits is 28800, while the sum is 32.

The spelling of 25341322154 in words is "twenty-five billion, three hundred forty-one million, three hundred twenty-two thousand, one hundred fifty-four".