2545316954 has 4 divisors (see below), whose sum is σ = 3817975434. Its totient is φ = 1272658476.

The previous prime is 2545316953. The next prime is 2545317001. The reversal of 2545316954 is 4596135452.

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., 1451229025 + 1094087929 = 38095^2 + 33077^2 .

It is not an unprimeable number, because it can be changed into a prime (2545316953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636329237 + ... + 636329240.

Almost surely, 2^2545316954 is an apocalyptic number.

2545316954 is a deficient number, since it is larger than the sum of its proper divisors (1272658480).

2545316954 is a wasteful number, since it uses less digits than its factorization.

2545316954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272658479.

The product of its digits is 648000, while the sum is 44.

The square root of 2545316954 is about 50451.1343182688. The cubic root of 2545316954 is about 1365.3603603391.

The spelling of 2545316954 in words is "two billion, five hundred forty-five million, three hundred sixteen thousand, nine hundred fifty-four".