5091634 has 4 divisors (see below), whose sum is σ = 7637454. Its totient is φ = 2545816.

The previous prime is 5091613. The next prime is 5091637. The reversal of 5091634 is 4361905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4361905 = 5 ⋅872381.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 15625 = 2253^2 + 125^2 .

It is not an unprimeable number, because it can be changed into a prime (5091637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272907 + ... + 1272910.

Almost surely, 2^5091634 is an apocalyptic number.

5091634 is a deficient number, since it is larger than the sum of its proper divisors (2545820).

5091634 is a wasteful number, since it uses less digits than its factorization.

5091634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545819.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5091634 is about 2256.4649343608. The cubic root of 5091634 is about 172.0358902930.

The spelling of 5091634 in words is "five million, ninety-one thousand, six hundred thirty-four".