15488951 has 2 divisors, whose sum is σ = 15488952. Its totient is φ = 15488950.

The previous prime is 15488923. The next prime is 15488953. The reversal of 15488951 is 15988451.

It is a strong prime.

It is an emirp because it is prime and its reverse (15988451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15488951 is a prime.

Together with 15488953, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15488899 and 15488908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15488953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7744475 + 7744476.

It is an arithmetic number, because the mean of its divisors is an integer number (7744476).

Almost surely, 2^15488951 is an apocalyptic number.

15488951 is a deficient number, since it is larger than the sum of its proper divisors (1).

15488951 is an equidigital number, since it uses as much as digits as its factorization.

15488951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 41.

The square root of 15488951 is about 3935.6004624453. The cubic root of 15488951 is about 249.2722891362.

Subtracting 15488951 from its reverse (15988451), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 15488951 in words is "fifteen million, four hundred eighty-eight thousand, nine hundred fifty-one".