30475369 has 2 divisors, whose sum is σ = 30475370. Its totient is φ = 30475368.

The previous prime is 30475351. The next prime is 30475397. The reversal of 30475369 is 96357403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 11812969 = 4320^2 + 3437^2 .

It is a cyclic number.

It is not a de Polignac number, because 30475369 - 2⁷ = 30475241 is a prime.

It is a super-2 number, since 2×30475369² = 1857496231372322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30475349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15237684 + 15237685.

It is an arithmetic number, because the mean of its divisors is an integer number (15237685).

Almost surely, 2^30475369 is an apocalyptic number.

It is an amenable number.

30475369 is a deficient number, since it is larger than the sum of its proper divisors (1).

30475369 is an equidigital number, since it uses as much as digits as its factorization.

30475369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 30475369 is about 5520.4500722314. The cubic root of 30475369 is about 312.3558597123.

The spelling of 30475369 in words is "thirty million, four hundred seventy-five thousand, three hundred sixty-nine".