2545054394 has 32 divisors (see below), whose sum is σ = 4081882896. Its totient is φ = 1185960960.

The previous prime is 2545054387. The next prime is 2545054417. The reversal of 2545054394 is 4934505452.

It can be written as a sum of positive squares in 8 ways, for example, as 871017169 + 1674037225 = 29513^2 + 40915^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703912 + ... + 1705404.

Almost surely, 2^2545054394 is an apocalyptic number.

2545054394 is a deficient number, since it is larger than the sum of its proper divisors (1536828502).

2545054394 is a wasteful number, since it uses less digits than its factorization.

2545054394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 2545054394 is about 50448.5321292899. The cubic root of 2545054394 is about 1365.3134111968.

The spelling of 2545054394 in words is "two billion, five hundred forty-five million, fifty-four thousand, three hundred ninety-four".