16250993 has 4 divisors (see below), whose sum is σ = 17728368. Its totient is φ = 14773620.

The previous prime is 16250981. The next prime is 16251007. The reversal of 16250993 is 39905261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16250993 - 2⁸ = 16250737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16250953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738671 + ... + 738692.

It is an arithmetic number, because the mean of its divisors is an integer number (4432092).

Almost surely, 2^16250993 is an apocalyptic number.

It is an amenable number.

16250993 is a deficient number, since it is larger than the sum of its proper divisors (1477375).

16250993 is a wasteful number, since it uses less digits than its factorization.

16250993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477374.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 16250993 is about 4031.2520387592. The cubic root of 16250993 is about 253.2950101694.

The spelling of 16250993 in words is "sixteen million, two hundred fifty thousand, nine hundred ninety-three".