5251540 has 24 divisors (see below), whose sum is σ = 12604032. Its totient is φ = 1800480.

The previous prime is 5251537. The next prime is 5251541. The reversal of 5251540 is 451525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18616 + ... + 18895.

It is an arithmetic number, because the mean of its divisors is an integer number (525168).

Almost surely, 2^5251540 is an apocalyptic number.

It is an amenable number.

5251540 is an abundant number, since it is smaller than the sum of its proper divisors (7352492).

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

5251540 is a wasteful number, since it uses less digits than its factorization.

5251540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37527 (or 37525 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5251540 is about 2291.6238783884. The cubic root of 5251540 is about 173.8183244910.

The spelling of 5251540 in words is "five million, two hundred fifty-one thousand, five hundred forty".