30374621 has 2 divisors, whose sum is σ = 30374622. Its totient is φ = 30374620.

The previous prime is 30374609. The next prime is 30374627. The reversal of 30374621 is 12647303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29539225 + 835396 = 5435^2 + 914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30374621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30374627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15187310 + 15187311.

It is an arithmetic number, because the mean of its divisors is an integer number (15187311).

Almost surely, 2^30374621 is an apocalyptic number.

It is an amenable number.

30374621 is a deficient number, since it is larger than the sum of its proper divisors (1).

30374621 is an equidigital number, since it uses as much as digits as its factorization.

30374621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30374621 is about 5511.3175375767. The cubic root of 30374621 is about 312.0112757540.

The spelling of 30374621 in words is "thirty million, three hundred seventy-four thousand, six hundred twenty-one".