30146653 has 2 divisors, whose sum is σ = 30146654. Its totient is φ = 30146652.

The previous prime is 30146647. The next prime is 30146681. The reversal of 30146653 is 35664103.

It is an a-pointer prime, because the next prime (30146681) can be obtained adding 30146653 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25030009 + 5116644 = 5003^2 + 2262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30146653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30143653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15073326 + 15073327.

It is an arithmetic number, because the mean of its divisors is an integer number (15073327).

Almost surely, 2^30146653 is an apocalyptic number.

It is an amenable number.

30146653 is a deficient number, since it is larger than the sum of its proper divisors (1).

30146653 is an equidigital number, since it uses as much as digits as its factorization.

30146653 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 28.

The square root of 30146653 is about 5490.5967799502. The cubic root of 30146653 is about 311.2287444289.

The spelling of 30146653 in words is "thirty million, one hundred forty-six thousand, six hundred fifty-three".