30825469 has 2 divisors, whose sum is σ = 30825470. Its totient is φ = 30825468.

The previous prime is 30825449. The next prime is 30825511. The reversal of 30825469 is 96452803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 156025 = 5538^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 30825469 - 2¹¹ = 30823421 is a prime.

It is a super-2 number, since 2×30825469² = 1900419078139922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30825409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412734 + 15412735.

It is an arithmetic number, because the mean of its divisors is an integer number (15412735).

Almost surely, 2^30825469 is an apocalyptic number.

It is an amenable number.

30825469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30825469 is an equidigital number, since it uses as much as digits as its factorization.

30825469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 30825469 is about 5552.0688936648. The cubic root of 30825469 is about 313.5474195835.

The spelling of 30825469 in words is "thirty million, eight hundred twenty-five thousand, four hundred sixty-nine".