5225661 has 32 divisors (see below), whose sum is σ = 9067520. Its totient is φ = 2912112.

The previous prime is 5225653. The next prime is 5225677. The reversal of 5225661 is 1665225.

It is not a de Polignac number, because 5225661 - 2³ = 5225653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5225261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7806 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (283360).

Almost surely, 2^5225661 is an apocalyptic number.

It is an amenable number.

5225661 is a deficient number, since it is larger than the sum of its proper divisors (3841859).

5225661 is a wasteful number, since it uses less digits than its factorization.

5225661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5225661 is about 2285.9704722502. The cubic root of 5225661 is about 173.5323351328.

It can be divided in two parts, 5225 and 661, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5225661 in words is "five million, two hundred twenty-five thousand, six hundred sixty-one".