30261461 has 2 divisors, whose sum is σ = 30261462. Its totient is φ = 30261460.

The previous prime is 30261431. The next prime is 30261499. The reversal of 30261461 is 16416203.

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., 28026436 + 2235025 = 5294^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 30261461 - 2⁶ = 30261397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30261401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15130730 + 15130731.

It is an arithmetic number, because the mean of its divisors is an integer number (15130731).

Almost surely, 2^30261461 is an apocalyptic number.

It is an amenable number.

30261461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30261461 is an equidigital number, since it uses as much as digits as its factorization.

30261461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30261461 is about 5501.0418104210. The cubic root of 30261461 is about 311.6233298178.

Adding to 30261461 its reverse (16416203), we get a palindrome (46677664).

The spelling of 30261461 in words is "thirty million, two hundred sixty-one thousand, four hundred sixty-one".