2545777100 has 18 divisors (see below), whose sum is σ = 5524336524. Its totient is φ = 1018310800.

The previous prime is 2545777051. The next prime is 2545777109. The reversal of 2545777100 is 17775452.

It is not an unprimeable number, because it can be changed into a prime (2545777109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12728786 + ... + 12728985.

Almost surely, 2^2545777100 is an apocalyptic number.

2545777100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545777100 is an abundant number, since it is smaller than the sum of its proper divisors (2978559424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545777100 is a wasteful number, since it uses less digits than its factorization.

2545777100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25457785 (or 25457778 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 2545777100 is about 50455.6944259020. The cubic root of 2545777100 is about 1365.4426326407.

The spelling of 2545777100 in words is "two billion, five hundred forty-five million, seven hundred seventy-seven thousand, one hundred".