2521251154 has 4 divisors (see below), whose sum is σ = 3781876734. Its totient is φ = 1260625576.

The previous prime is 2521251119. The next prime is 2521251167. The reversal of 2521251154 is 4511521252.

2521251154 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 can be written as a sum of positive squares in only one way, i.e., 1701975025 + 819276129 = 41255^2 + 28623^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630312787 + ... + 630312790.

Almost surely, 2^2521251154 is an apocalyptic number.

2521251154 is a deficient number, since it is larger than the sum of its proper divisors (1260625580).

2521251154 is a wasteful number, since it uses less digits than its factorization.

2521251154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260625579.

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

The square root of 2521251154 is about 50212.0618377696. The cubic root of 2521251154 is about 1361.0435966983.

The spelling of 2521251154 in words is "two billion, five hundred twenty-one million, two hundred fifty-one thousand, one hundred fifty-four".