16250945 has 4 divisors (see below), whose sum is σ = 19501140. Its totient is φ = 13000752.

The previous prime is 16250939. The next prime is 16250951. The reversal of 16250945 is 54905261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54905261 = 151 ⋅363611.

It is an interprime number because it is at equal distance from previous prime (16250939) and next prime (16250951).

It can be written as a sum of positive squares in 2 ways, for example, as 2715904 + 13535041 = 1648^2 + 3679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16250945 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625090 + ... + 1625099.

It is an arithmetic number, because the mean of its divisors is an integer number (4875285).

Almost surely, 2^16250945 is an apocalyptic number.

It is an amenable number.

16250945 is a deficient number, since it is larger than the sum of its proper divisors (3250195).

16250945 is an equidigital number, since it uses as much as digits as its factorization.

16250945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250194.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 16250945 is about 4031.2460852694. The cubic root of 16250945 is about 253.2947607862.

The spelling of 16250945 in words is "sixteen million, two hundred fifty thousand, nine hundred forty-five".