30460649 has 2 divisors, whose sum is σ = 30460650. Its totient is φ = 30460648.

The previous prime is 30460601. The next prime is 30460687. The reversal of 30460649 is 94606403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17808400 + 12652249 = 4220^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 30460649 - 2¹² = 30456553 is a prime.

It is a super-2 number, since 2×30460649² = 1855702275002402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30460949) 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, 15230324 + 15230325.

It is an arithmetic number, because the mean of its divisors is an integer number (15230325).

Almost surely, 2^30460649 is an apocalyptic number.

It is an amenable number.

30460649 is a deficient number, since it is larger than the sum of its proper divisors (1).

30460649 is an equidigital number, since it uses as much as digits as its factorization.

30460649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 30460649 is about 5519.1166865722. The cubic root of 30460649 is about 312.3055609642.

The spelling of 30460649 in words is "thirty million, four hundred sixty thousand, six hundred forty-nine".