5612009261 has 2 divisors, whose sum is σ = 5612009262. Its totient is φ = 5612009260.

The previous prime is 5612009257. The next prime is 5612009279. The reversal of 5612009261 is 1629002165.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3602280361 + 2009728900 = 60019^2 + 44830^2 .

It is a cyclic number.

It is not a de Polignac number, because 5612009261 - 2² = 5612009257 is a prime.

It is a super-2 number, since 2×5612009261² = 62989295891099532242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5612009231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806004630 + 2806004631.

It is an arithmetic number, because the mean of its divisors is an integer number (2806004631).

Almost surely, 2^5612009261 is an apocalyptic number.

It is an amenable number.

5612009261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5612009261 is an equidigital number, since it uses as much as digits as its factorization.

5612009261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5612009261 is about 74913.3450127546. The cubic root of 5612009261 is about 1777.0765103436.

The spelling of 5612009261 in words is "five billion, six hundred twelve million, nine thousand, two hundred sixty-one".