2521025134 has 4 divisors (see below), whose sum is σ = 3781537704. Its totient is φ = 1260512566.

The previous prime is 2521025131. The next prime is 2521025159. The reversal of 2521025134 is 4315201252.

2521025134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2521025099 and 2521025108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521025131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630256282 + ... + 630256285.

It is an arithmetic number, because the mean of its divisors is an integer number (945384426).

Almost surely, 2^2521025134 is an apocalyptic number.

2521025134 is a deficient number, since it is larger than the sum of its proper divisors (1260512570).

2521025134 is a wasteful number, since it uses less digits than its factorization.

2521025134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260512569.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2521025134 is about 50209.8111328852. The cubic root of 2521025134 is about 1361.0029247927.

Adding to 2521025134 its reverse (4315201252), we get a palindrome (6836226386).

The spelling of 2521025134 in words is "two billion, five hundred twenty-one million, twenty-five thousand, one hundred thirty-four".