5251501 has 4 divisors (see below), whose sum is σ = 5259100. Its totient is φ = 5243904.

The previous prime is 5251481. The next prime is 5251507. The reversal of 5251501 is 1051525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 2802276 = 1565^2 + 1674^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251501 - 2⁵ = 5251469 is a prime.

It is a Duffinian number.

5251501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (1314775).

Almost surely, 2^5251501 is an apocalyptic number.

It is an amenable number.

5251501 is a deficient number, since it is larger than the sum of its proper divisors (7599).

5251501 is an equidigital number, since it uses as much as digits as its factorization.

5251501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5251501 is about 2291.6153691228. The cubic root of 5251501 is about 173.8178942089.

The spelling of 5251501 in words is "five million, two hundred fifty-one thousand, five hundred one".