2538251 has 4 divisors (see below), whose sum is σ = 2541504. Its totient is φ = 2535000.

The previous prime is 2538241. The next prime is 2538281. The reversal of 2538251 is 1528352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2538251 - 2¹⁸ = 2276107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2538251.

It is not an unprimeable number, because it can be changed into a prime (2538241) 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, 326 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (635376).

2^2538251 is an apocalyptic number.

2538251 is the 1301-st pentagonal number.

2538251 is a deficient number, since it is larger than the sum of its proper divisors (3253).

2538251 is a wasteful number, since it uses less digits than its factorization.

2538251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252.

The product of its digits is 2400, while the sum is 26.

The square root of 2538251 is about 1593.1889404587. The cubic root of 2538251 is about 136.4095748389.

The spelling of 2538251 in words is "two million, five hundred thirty-eight thousand, two hundred fifty-one".