16525434 has 8 divisors (see below), whose sum is σ = 33050880. Its totient is φ = 5508476.

The previous prime is 16525433. The next prime is 16525451. The reversal of 16525434 is 43452561.

It is a sphenic number, since it is the product of 3 distinct primes.

16525434 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16525433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377114 + ... + 1377125.

It is an arithmetic number, because the mean of its divisors is an integer number (4131360).

Almost surely, 2^16525434 is an apocalyptic number.

16525434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16525434 is a wasteful number, since it uses less digits than its factorization.

16525434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754244.

The product of its digits is 14400, while the sum is 30.

The square root of 16525434 is about 4065.1487057671. The cubic root of 16525434 is about 254.7129102754.

Adding to 16525434 its reverse (43452561), we get a palindrome (59977995).

The spelling of 16525434 in words is "sixteen million, five hundred twenty-five thousand, four hundred thirty-four".