3000420261 has 6 divisors (see below), whose sum is σ = 4333940390. Its totient is φ = 2000280168.

The previous prime is 3000420257. The next prime is 3000420271. The reversal of 3000420261 is 1620240003.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2715452100 + 284968161 = 52110^2 + 16881^2 .

It is not a de Polignac number, because 3000420261 - 2² = 3000420257 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 (3000420251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166690006 + ... + 166690023.

Almost surely, 2^3000420261 is an apocalyptic number.

It is an amenable number.

3000420261 is a deficient number, since it is larger than the sum of its proper divisors (1333520129).

3000420261 is a wasteful number, since it uses less digits than its factorization.

3000420261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333380035 (or 333380032 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3000420261 is about 54776.0920566628. The cubic root of 3000420261 is about 1442.3169139680.

Adding to 3000420261 its reverse (1620240003), we get a palindrome (4620660264).

The spelling of 3000420261 in words is "three billion, four hundred twenty thousand, two hundred sixty-one".