2521131254 has 8 divisors (see below), whose sum is σ = 3786788880. Its totient is φ = 1258868296.

The previous prime is 2521131251. The next prime is 2521131259. The reversal of 2521131254 is 4521311252.

2521131254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2521131254² = 12712205599791225032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521131251) 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, 846809 + ... + 849780.

It is an arithmetic number, because the mean of its divisors is an integer number (473348610).

Almost surely, 2^2521131254 is an apocalyptic number.

2521131254 is a deficient number, since it is larger than the sum of its proper divisors (1265657626).

2521131254 is a wasteful number, since it uses less digits than its factorization.

2521131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697334.

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

The square root of 2521131254 is about 50210.8678873409. The cubic root of 2521131254 is about 1361.0220212047.

It can be divided in two parts, 25211 and 31254, that added together give a palindrome (56465).

The spelling of 2521131254 in words is "two billion, five hundred twenty-one million, one hundred thirty-one thousand, two hundred fifty-four".