5091002 has 12 divisors (see below), whose sum is σ = 8883450. Its totient is φ = 2181816.

The previous prime is 5091001. The next prime is 5091013. The reversal of 5091002 is 2001905.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 290521 = 2191^2 + 539^2 .

It is not an unprimeable number, because it can be changed into a prime (5091001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25877 + ... + 26072.

Almost surely, 2^5091002 is an apocalyptic number.

5091002 is a deficient number, since it is larger than the sum of its proper divisors (3792448).

5091002 is a wasteful number, since it uses less digits than its factorization.

5091002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51965 (or 51958 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 5091002 is about 2256.3248879539. The cubic root of 5091002 is about 172.0287720031.

Adding to 5091002 its reverse (2001905), we get a palindrome (7092907).

The spelling of 5091002 in words is "five million, ninety-one thousand, two".