8258008261 has 4 divisors (see below), whose sum is σ = 8321046624. Its totient is φ = 8194969900.

The previous prime is 8258008243. The next prime is 8258008279. The reversal of 8258008261 is 1628008528.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (8258008243) and next prime (8258008279).

It is a cyclic number.

It is not a de Polignac number, because 8258008261 - 2²¹ = 8255911109 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 (8258006261) 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, 31518985 + ... + 31519246.

It is an arithmetic number, because the mean of its divisors is an integer number (2080261656).

Almost surely, 2^8258008261 is an apocalyptic number.

It is an amenable number.

8258008261 is a deficient number, since it is larger than the sum of its proper divisors (63038363).

8258008261 is a wasteful number, since it uses less digits than its factorization.

8258008261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63038362.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8258008261 is about 90873.5839559550. The cubic root of 8258008261 is about 2021.2736030146.

The spelling of 8258008261 in words is "eight billion, two hundred fifty-eight million, eight thousand, two hundred sixty-one".