15390733 has 2 divisors, whose sum is σ = 15390734. Its totient is φ = 15390732.

The previous prime is 15390719. The next prime is 15390751. The reversal of 15390733 is 33709351.

15390733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15382084 + 8649 = 3922^2 + 93^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15390733 is a prime.

It is equal to p₉₉₄₃₀₆ and since 15390733 and 994306 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 = 15390695 and 15390704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15310733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7695366 + 7695367.

It is an arithmetic number, because the mean of its divisors is an integer number (7695367).

Almost surely, 2^15390733 is an apocalyptic number.

It is an amenable number.

15390733 is a deficient number, since it is larger than the sum of its proper divisors (1).

15390733 is an equidigital number, since it uses as much as digits as its factorization.

15390733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 15390733 is about 3923.1024712592. The cubic root of 15390733 is about 248.7442792216.

The spelling of 15390733 in words is "fifteen million, three hundred ninety thousand, seven hundred thirty-three".