2525250261 has 8 divisors (see below), whose sum is σ = 3565059264. Its totient is φ = 1584470720.

The previous prime is 2525250257. The next prime is 2525250269. The reversal of 2525250261 is 1620525252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2525250261 - 2² = 2525250257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525250269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24757305 + ... + 24757406.

It is an arithmetic number, because the mean of its divisors is an integer number (445632408).

Almost surely, 2^2525250261 is an apocalyptic number.

It is an amenable number.

2525250261 is a deficient number, since it is larger than the sum of its proper divisors (1039809003).

2525250261 is a wasteful number, since it uses less digits than its factorization.

2525250261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49514731.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2525250261 is about 50251.8682339274. The cubic root of 2525250261 is about 1361.7628273997.

The spelling of 2525250261 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, two hundred sixty-one".