5615251 has 4 divisors (see below), whose sum is σ = 5669872. Its totient is φ = 5560632.

The previous prime is 5615221. The next prime is 5615261. The reversal of 5615251 is 1525165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1525165 = 5 ⋅305033.

It is a cyclic number.

It is not a de Polignac number, because 5615251 - 2¹⁵ = 5582483 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5615201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27156 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (1417468).

Almost surely, 2^5615251 is an apocalyptic number.

5615251 is a deficient number, since it is larger than the sum of its proper divisors (54621).

5615251 is a wasteful number, since it uses less digits than its factorization.

5615251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54620.

The product of its digits is 1500, while the sum is 25.

The square root of 5615251 is about 2369.6520841676. The cubic root of 5615251 is about 177.7418616536.

The spelling of 5615251 in words is "five million, six hundred fifteen thousand, two hundred fifty-one".