30742853 has 2 divisors, whose sum is σ = 30742854. Its totient is φ = 30742852.

The previous prime is 30742781. The next prime is 30742861. The reversal of 30742853 is 35824703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 7491169 = 4822^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 30742853 - 2¹⁴ = 30726469 is a prime.

It is a super-3 number, since 3×30742853³ (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 (30742553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15371426 + 15371427.

It is an arithmetic number, because the mean of its divisors is an integer number (15371427).

Almost surely, 2^30742853 is an apocalyptic number.

It is an amenable number.

30742853 is a deficient number, since it is larger than the sum of its proper divisors (1).

30742853 is an equidigital number, since it uses as much as digits as its factorization.

30742853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 30742853 is about 5544.6237924678. The cubic root of 30742853 is about 313.2670539101.

The spelling of 30742853 in words is "thirty million, seven hundred forty-two thousand, eight hundred fifty-three".