16049531 has 2 divisors, whose sum is σ = 16049532. Its totient is φ = 16049530.

The previous prime is 16049507. The next prime is 16049587. The reversal of 16049531 is 13594061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16049531 is a prime.

It is a super-2 number, since 2×16049531² = 515174890639922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16049494 and 16049503.

It is not a weakly prime, because it can be changed into another prime (16049591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8024765 + 8024766.

It is an arithmetic number, because the mean of its divisors is an integer number (8024766).

Almost surely, 2^16049531 is an apocalyptic number.

16049531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16049531 is an equidigital number, since it uses as much as digits as its factorization.

16049531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16049531 is about 4006.1865907618. The cubic root of 16049531 is about 252.2439635808.

The spelling of 16049531 in words is "sixteen million, forty-nine thousand, five hundred thirty-one".