2551258 has 8 divisors (see below), whose sum is σ = 4052052. Its totient is φ = 1200576.

The previous prime is 2551249. The next prime is 2551273. The reversal of 2551258 is 8521552.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 45369 = 1583^2 + 213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

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, 37485 + ... + 37552.

2^2551258 is an apocalyptic number.

2551258 is a deficient number, since it is larger than the sum of its proper divisors (1500794).

2551258 is a wasteful number, since it uses less digits than its factorization.

2551258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75056.

The product of its digits is 4000, while the sum is 28.

The square root of 2551258 is about 1597.2657887778. The cubic root of 2551258 is about 136.6421834654.

It can be divided in two parts, 2551 and 258, that added together give a square (2809 = 53²).

The spelling of 2551258 in words is "two million, five hundred fifty-one thousand, two hundred fifty-eight".