16245487 has 2 divisors, whose sum is σ = 16245488. Its totient is φ = 16245486.

The previous prime is 16245461. The next prime is 16245491. The reversal of 16245487 is 78454261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16245487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16245407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122743 + 8122744.

It is an arithmetic number, because the mean of its divisors is an integer number (8122744).

Almost surely, 2^16245487 is an apocalyptic number.

16245487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16245487 is an equidigital number, since it uses as much as digits as its factorization.

16245487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 16245487 is about 4030.5690665215. The cubic root of 16245487 is about 253.2664006384.

The spelling of 16245487 in words is "sixteen million, two hundred forty-five thousand, four hundred eighty-seven".