2545262786 has 16 divisors (see below), whose sum is σ = 4165807968. Its totient is φ = 1156706400.

The previous prime is 2545262771. The next prime is 2545262789. The reversal of 2545262786 is 6872625452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545262786.

It is not an unprimeable number, because it can be changed into a prime (2545262789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153161 + ... + 168963.

It is an arithmetic number, because the mean of its divisors is an integer number (260362998).

Almost surely, 2^2545262786 is an apocalyptic number.

2545262786 is a deficient number, since it is larger than the sum of its proper divisors (1620545182).

2545262786 is a wasteful number, since it uses less digits than its factorization.

2545262786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23137.

The product of its digits is 1612800, while the sum is 47.

The square root of 2545262786 is about 50450.5974791181. The cubic root of 2545262786 is about 1365.3506746606.

The spelling of 2545262786 in words is "two billion, five hundred forty-five million, two hundred sixty-two thousand, seven hundred eighty-six".