5621087 has 4 divisors (see below), whose sum is σ = 5692320. Its totient is φ = 5549856.

The previous prime is 5621081. The next prime is 5621113. The reversal of 5621087 is 7801265.

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

It is a cyclic number.

It is not a de Polignac number, because 5621087 - 2⁶ = 5621023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621081) 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, 35498 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (1423080).

Almost surely, 2^5621087 is an apocalyptic number.

5621087 is a deficient number, since it is larger than the sum of its proper divisors (71233).

5621087 is an equidigital number, since it uses as much as digits as its factorization.

5621087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71232.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5621087 is about 2370.8831687791. The cubic root of 5621087 is about 177.8034167738.

The spelling of 5621087 in words is "five million, six hundred twenty-one thousand, eighty-seven".