15323461 has 2 divisors, whose sum is σ = 15323462. Its totient is φ = 15323460.

The previous prime is 15323459. The next prime is 15323471. The reversal of 15323461 is 16432351.

15323461 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., 10439361 + 4884100 = 3231^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 15323461 - 2¹ = 15323459 is a prime.

Together with 15323459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15323401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7661730 + 7661731.

It is an arithmetic number, because the mean of its divisors is an integer number (7661731).

Almost surely, 2^15323461 is an apocalyptic number.

It is an amenable number.

15323461 is a deficient number, since it is larger than the sum of its proper divisors (1).

15323461 is an equidigital number, since it uses as much as digits as its factorization.

15323461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 15323461 is about 3914.5192552854. The cubic root of 15323461 is about 248.3813343043.

The spelling of 15323461 in words is "fifteen million, three hundred twenty-three thousand, four hundred sixty-one".