63251 has 4 divisors (see below), whose sum is σ = 66600. Its totient is φ = 59904.

The previous prime is 63247. The next prime is 63277. The reversal of 63251 is 15236.

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 63251 - 2² = 63247 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 63251.

It is not an unprimeable number, because it can be changed into a prime (63211) 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, 1646 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (16650).

2⁶³²⁵¹ is an apocalyptic number.

63251 is a deficient number, since it is larger than the sum of its proper divisors (3349).

63251 is a wasteful number, since it uses less digits than its factorization.

63251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its digits is 180, while the sum is 17.

The square root of 63251 is about 251.4975148983. The cubic root of 63251 is about 39.8433456194.

Adding to 63251 its reverse (15236), we get a palindrome (78487).

The spelling of 63251 in words is "sixty-three thousand, two hundred fifty-one".