2506534154 has 4 divisors (see below), whose sum is σ = 3759801234. Its totient is φ = 1253267076.

The previous prime is 2506534153. The next prime is 2506534189. The reversal of 2506534154 is 4514356052.

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., 2506504225 + 29929 = 50065^2 + 173^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2506534153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626633537 + ... + 626633540.

Almost surely, 2^2506534154 is an apocalyptic number.

2506534154 is a deficient number, since it is larger than the sum of its proper divisors (1253267080).

2506534154 is a wasteful number, since it uses less digits than its factorization.

2506534154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253267079.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2506534154 is about 50065.2989005359. The cubic root of 2506534154 is about 1358.3902078168.

The spelling of 2506534154 in words is "two billion, five hundred six million, five hundred thirty-four thousand, one hundred fifty-four".