6361250261 has 4 divisors (see below), whose sum is σ = 6361440000. Its totient is φ = 6361060524.

The previous prime is 6361250257. The next prime is 6361250263. The reversal of 6361250261 is 1620521636.

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 6361250261 - 2² = 6361250257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361250263) 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, 29621 + ... + 116618.

It is an arithmetic number, because the mean of its divisors is an integer number (1590360000).

Almost surely, 2^6361250261 is an apocalyptic number.

It is an amenable number.

6361250261 is a deficient number, since it is larger than the sum of its proper divisors (189739).

6361250261 is a wasteful number, since it uses less digits than its factorization.

6361250261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189738.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6361250261 is about 79757.4464297848. The cubic root of 6361250261 is about 1852.8808547205.

Adding to 6361250261 its reverse (1620521636), we get a palindrome (7981771897).

The spelling of 6361250261 in words is "six billion, three hundred sixty-one million, two hundred fifty thousand, two hundred sixty-one".