2513151 has 12 divisors (see below), whose sum is σ = 3728712. Its totient is φ = 1629936.

The previous prime is 2513143. The next prime is 2513153. The reversal of 2513151 is 1513152.

2513151 is a `hidden beast` number, since 2 + 513 + 151 = 666.

It is not a de Polignac number, because 2513151 - 2³ = 2513143 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3441 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (310726).

2^2513151 is an apocalyptic number.

2513151 is a deficient number, since it is larger than the sum of its proper divisors (1215561).

2513151 is a wasteful number, since it uses less digits than its factorization.

2513151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7587 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 2513151 is about 1585.2920866515. The cubic root of 2513151 is about 135.9584467919.

Subtracting from 2513151 its reverse (1513152), we obtain a palindrome (999999).

The spelling of 2513151 in words is "two million, five hundred thirteen thousand, one hundred fifty-one".