30285461 has 2 divisors, whose sum is σ = 30285462. Its totient is φ = 30285460.

The previous prime is 30285443. The next prime is 30285509. The reversal of 30285461 is 16458203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 14205361 = 4010^2 + 3769^2 .

It is an emirp because it is prime and its reverse (16458203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30285461 is a prime.

It is a super-3 number, since 3×30285461³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30285161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142730 + 15142731.

It is an arithmetic number, because the mean of its divisors is an integer number (15142731).

Almost surely, 2^30285461 is an apocalyptic number.

It is an amenable number.

30285461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30285461 is an equidigital number, since it uses as much as digits as its factorization.

30285461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 30285461 is about 5503.2227830608. Note that the first 3 decimals coincide. The cubic root of 30285461 is about 311.7056896179.

The spelling of 30285461 in words is "thirty million, two hundred eighty-five thousand, four hundred sixty-one".