25245354026 has 4 divisors (see below), whose sum is σ = 37868031042. Its totient is φ = 12622677012.

The previous prime is 25245354023. The next prime is 25245354031. The reversal of 25245354026 is 62045354252.

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., 13619123401 + 11626230625 = 116701^2 + 107825^2 .

It is not an unprimeable number, because it can be changed into a prime (25245354023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311338505 + ... + 6311338508.

Almost surely, 2^25245354026 is an apocalyptic number.

25245354026 is a deficient number, since it is larger than the sum of its proper divisors (12622677016).

25245354026 is a wasteful number, since it uses less digits than its factorization.

25245354026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622677015.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 25245354026 in words is "twenty-five billion, two hundred forty-five million, three hundred fifty-four thousand, twenty-six".