30062261 has 2 divisors, whose sum is σ = 30062262. Its totient is φ = 30062260.

The previous prime is 30062257. The next prime is 30062267. The reversal of 30062261 is 16226003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 6345361 = 4870^2 + 2519^2 .

It is a cyclic number.

It is not a de Polignac number, because 30062261 - 2² = 30062257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30062267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15031130 + 15031131.

It is an arithmetic number, because the mean of its divisors is an integer number (15031131).

Almost surely, 2^30062261 is an apocalyptic number.

It is an amenable number.

30062261 is a deficient number, since it is larger than the sum of its proper divisors (1).

30062261 is an equidigital number, since it uses as much as digits as its factorization.

30062261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30062261 is about 5482.9062548980. The cubic root of 30062261 is about 310.9380569555.

Adding to 30062261 its reverse (16226003), we get a palindrome (46288264).

The spelling of 30062261 in words is "thirty million, sixty-two thousand, two hundred sixty-one".