2545463122 has 4 divisors (see below), whose sum is σ = 3818194686. Its totient is φ = 1272731560.

The previous prime is 2545463119. The next prime is 2545463149. The reversal of 2545463122 is 2213645452.

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., 2118668841 + 426794281 = 46029^2 + 20659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636365779 + ... + 636365782.

Almost surely, 2^2545463122 is an apocalyptic number.

2545463122 is a deficient number, since it is larger than the sum of its proper divisors (1272731564).

2545463122 is a wasteful number, since it uses less digits than its factorization.

2545463122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272731563.

The product of its digits is 57600, while the sum is 34.

The square root of 2545463122 is about 50452.5829071218. The cubic root of 2545463122 is about 1365.3864956792.

The spelling of 2545463122 in words is "two billion, five hundred forty-five million, four hundred sixty-three thousand, one hundred twenty-two".