30489037 has 2 divisors, whose sum is σ = 30489038. Its totient is φ = 30489036.

The previous prime is 30489031. The next prime is 30489059. The reversal of 30489037 is 73098403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 10588516 = 4461^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 30489037 - 2¹⁹ = 29964749 is a prime.

It is equal to p_1886290 and since 30489037 and 1886290 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 30488993 and 30489011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30489031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15244518 + 15244519.

It is an arithmetic number, because the mean of its divisors is an integer number (15244519).

Almost surely, 2^30489037 is an apocalyptic number.

It is an amenable number.

30489037 is a deficient number, since it is larger than the sum of its proper divisors (1).

30489037 is an equidigital number, since it uses as much as digits as its factorization.

30489037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30489037 is about 5521.6878760031. The cubic root of 30489037 is about 312.4025492405.

The spelling of 30489037 in words is "thirty million, four hundred eighty-nine thousand, thirty-seven".