25552500254 has 4 divisors (see below), whose sum is σ = 38328750384. Its totient is φ = 12776250126.

The previous prime is 25552500251. The next prime is 25552500257. The reversal of 25552500254 is 45200525552.

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

It is an interprime number because it is at equal distance from previous prime (25552500251) and next prime (25552500257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552500251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388125062 + ... + 6388125065.

It is an arithmetic number, because the mean of its divisors is an integer number (9582187596).

Almost surely, 2^25552500254 is an apocalyptic number.

25552500254 is a deficient number, since it is larger than the sum of its proper divisors (12776250130).

25552500254 is a wasteful number, since it uses less digits than its factorization.

25552500254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776250129.

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 25552500254 in words is "twenty-five billion, five hundred fifty-two million, five hundred thousand, two hundred fifty-four".