4256910025 has 9 divisors (see below), whose sum is σ = 5278972981. Its totient is φ = 3405267040.

The previous prime is 4256910011. The next prime is 4256910061. The reversal of 4256910025 is 5200196524.

It is a happy number.

The square root of 4256910025 is 65245.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22024249 + 4234885776 = 4693^2 + 65076^2 .

It is not a de Polignac number, because 4256910025 - 2⁹ = 4256909513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 319701 + ... + 332749.

Almost surely, 2^4256910025 is an apocalyptic number.

4256910025 is the 65245-th square number.

4256910025 is the 32623-rd centered octagonal number.

It is an amenable number.

4256910025 is a deficient number, since it is larger than the sum of its proper divisors (1022062956).

4256910025 is an frugal number, since it uses more digits than its factorization.

4256910025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26108 (or 13054 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The cubic root of 4256910025 is about 1620.6832997452.

The spelling of 4256910025 in words is "four billion, two hundred fifty-six million, nine hundred ten thousand, twenty-five".