5251655 has 4 divisors (see below), whose sum is σ = 6301992. Its totient is φ = 4201320.

The previous prime is 5251627. The next prime is 5251663. The reversal of 5251655 is 5561525.

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

It is not a de Polignac number, because 5251655 - 2⁶ = 5251591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525161 + ... + 525170.

It is an arithmetic number, because the mean of its divisors is an integer number (1575498).

Almost surely, 2^5251655 is an apocalyptic number.

5251655 is a deficient number, since it is larger than the sum of its proper divisors (1050337).

5251655 is a wasteful number, since it uses less digits than its factorization.

5251655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050336.

The product of its digits is 7500, while the sum is 29.

The square root of 5251655 is about 2291.6489696286. The cubic root of 5251655 is about 173.8195932592.

The spelling of 5251655 in words is "five million, two hundred fifty-one thousand, six hundred fifty-five".