15714481 has 2 divisors, whose sum is σ = 15714482. Its totient is φ = 15714480.

The previous prime is 15714437. The next prime is 15714499. The reversal of 15714481 is 18441751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13024881 + 2689600 = 3609^2 + 1640^2 .

It is an emirp because it is prime and its reverse (18441751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15714481 - 2⁷ = 15714353 is a prime.

It is a super-2 number, since 2×15714481² = 493889826198722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15714431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7857240 + 7857241.

It is an arithmetic number, because the mean of its divisors is an integer number (7857241).

Almost surely, 2^15714481 is an apocalyptic number.

It is an amenable number.

15714481 is a deficient number, since it is larger than the sum of its proper divisors (1).

15714481 is an equidigital number, since it uses as much as digits as its factorization.

15714481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 15714481 is about 3964.1494674142. The cubic root of 15714481 is about 250.4763238858.

The spelling of 15714481 in words is "fifteen million, seven hundred fourteen thousand, four hundred eighty-one".