2525810251 has 4 divisors (see below), whose sum is σ = 2635628112. Its totient is φ = 2415992392.

The previous prime is 2525810179. The next prime is 2525810263. The reversal of 2525810251 is 1520185252.

2525810251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2525810251 - 2⁹ = 2525809739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525810051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54908896 + ... + 54908941.

It is an arithmetic number, because the mean of its divisors is an integer number (658907028).

Almost surely, 2^2525810251 is an apocalyptic number.

2525810251 is a deficient number, since it is larger than the sum of its proper divisors (109817861).

2525810251 is a wasteful number, since it uses less digits than its factorization.

2525810251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109817860.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 2525810251 is about 50257.4397577115. The cubic root of 2525810251 is about 1361.8634797609.

The spelling of 2525810251 in words is "two billion, five hundred twenty-five million, eight hundred ten thousand, two hundred fifty-one".