25942528954 has 4 divisors (see below), whose sum is σ = 38913793434. Its totient is φ = 12971264476.

The previous prime is 25942528879. The next prime is 25942529003. The reversal of 25942528954 is 45982524952.

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., 21955237929 + 3987291025 = 148173^2 + 63145^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25942528895 and 25942528904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485632237 + ... + 6485632240.

Almost surely, 2^25942528954 is an apocalyptic number.

25942528954 is a deficient number, since it is larger than the sum of its proper divisors (12971264480).

25942528954 is a wasteful number, since it uses less digits than its factorization.

25942528954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971264479.

The product of its digits is 10368000, while the sum is 55.

The spelling of 25942528954 in words is "twenty-five billion, nine hundred forty-two million, five hundred twenty-eight thousand, nine hundred fifty-four".