5261000 has 32 divisors (see below), whose sum is σ = 12313080. Its totient is φ = 2104000.

The previous prime is 5260999. The next prime is 5261021. The reversal of 5261000 is 1625.

It can be written as a sum of positive squares in 4 ways, for example, as 2184484 + 3076516 = 1478^2 + 1754^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 3630.

Almost surely, 2^5261000 is an apocalyptic number.

5261000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5261000 is an abundant number, since it is smaller than the sum of its proper divisors (7052080).

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

5261000 is a wasteful number, since it uses less digits than its factorization.

5261000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 5261000 is about 2293.6869882353. The cubic root of 5261000 is about 173.9226326234.

Adding to 5261000 its reverse (1625), we get a palindrome (5262625).

The spelling of 5261000 in words is "five million, two hundred sixty-one thousand".