16461245 has 4 divisors (see below), whose sum is σ = 19753500. Its totient is φ = 13168992.

The previous prime is 16461199. The next prime is 16461251. The reversal of 16461245 is 54216461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54216461 = 13 ⋅4170497.

It can be written as a sum of positive squares in 2 ways, for example, as 3189796 + 13271449 = 1786^2 + 3643^2 .

It is a cyclic number.

It is not a de Polignac number, because 16461245 - 2¹⁸ = 16199101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646120 + ... + 1646129.

It is an arithmetic number, because the mean of its divisors is an integer number (4938375).

Almost surely, 2^16461245 is an apocalyptic number.

It is an amenable number.

16461245 is a deficient number, since it is larger than the sum of its proper divisors (3292255).

16461245 is an equidigital number, since it uses as much as digits as its factorization.

16461245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292254.

The product of its digits is 5760, while the sum is 29.

The square root of 16461245 is about 4057.2459871198. The cubic root of 16461245 is about 254.3826923885.

The spelling of 16461245 in words is "sixteen million, four hundred sixty-one thousand, two hundred forty-five".