2545245572 has 6 divisors (see below), whose sum is σ = 4454179758. Its totient is φ = 1272622784.

The previous prime is 2545245539. The next prime is 2545245583. The reversal of 2545245572 is 2755425452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2263475776 + 281769796 = 47576^2 + 16786^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318155693 + ... + 318155700.

It is an arithmetic number, because the mean of its divisors is an integer number (742363293).

Almost surely, 2^2545245572 is an apocalyptic number.

It is an amenable number.

2545245572 is a deficient number, since it is larger than the sum of its proper divisors (1908934186).

2545245572 is a wasteful number, since it uses less digits than its factorization.

2545245572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636311397 (or 636311395 counting only the distinct ones).

The product of its digits is 560000, while the sum is 41.

The square root of 2545245572 is about 50450.4268762911. The cubic root of 2545245572 is about 1365.3475966288.

The spelling of 2545245572 in words is "two billion, five hundred forty-five million, two hundred forty-five thousand, five hundred seventy-two".