25255354213 has 4 divisors (see below), whose sum is σ = 25255861888. Its totient is φ = 25254846540.

The previous prime is 25255354183. The next prime is 25255354337. The reversal of 25255354213 is 31245355252.

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 not a de Polignac number, because 25255354213 - 2²⁹ = 24718483301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255354013) 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, 169983 + ... + 281788.

It is an arithmetic number, because the mean of its divisors is an integer number (6313965472).

Almost surely, 2^25255354213 is an apocalyptic number.

It is an amenable number.

25255354213 is a deficient number, since it is larger than the sum of its proper divisors (507675).

25255354213 is an equidigital number, since it uses as much as digits as its factorization.

25255354213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507674.

The product of its digits is 180000, while the sum is 37.

The spelling of 25255354213 in words is "twenty-five billion, two hundred fifty-five million, three hundred fifty-four thousand, two hundred thirteen".