4250134256261 has 4 divisors (see below), whose sum is σ = 4250156403372. Its totient is φ = 4250112109152.

The previous prime is 4250134256197. The next prime is 4250134256317. The reversal of 4250134256261 is 1626524310524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2026725224161 + 2223409032100 = 1423631^2 + 1491110^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250134256261 - 2⁶ = 4250134256197 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 (4250134256161) 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, 10783160 + ... + 11170353.

It is an arithmetic number, because the mean of its divisors is an integer number (1062539100843).

Almost surely, 2^{4250134256261} is an apocalyptic number.

It is an amenable number.

4250134256261 is a deficient number, since it is larger than the sum of its proper divisors (22147111).

4250134256261 is a wasteful number, since it uses less digits than its factorization.

4250134256261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22147110.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 4250134256261 its reverse (1626524310524), we get a palindrome (5876658566785).

The spelling of 4250134256261 in words is "four trillion, two hundred fifty billion, one hundred thirty-four million, two hundred fifty-six thousand, two hundred sixty-one".