2545364787 has 8 divisors (see below), whose sum is σ = 3878651136. Its totient is φ = 1454494152.

The previous prime is 2545364779. The next prime is 2545364821. The reversal of 2545364787 is 7874635452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2545364787 - 2³ = 2545364779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545364587) 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, 60603903 + ... + 60603944.

It is an arithmetic number, because the mean of its divisors is an integer number (484831392).

Almost surely, 2^2545364787 is an apocalyptic number.

2545364787 is a deficient number, since it is larger than the sum of its proper divisors (1333286349).

2545364787 is a wasteful number, since it uses less digits than its factorization.

2545364787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121207857.

The product of its digits is 5644800, while the sum is 51.

The square root of 2545364787 is about 50451.6083688122. The cubic root of 2545364787 is about 1365.3689131538.

The spelling of 2545364787 in words is "two billion, five hundred forty-five million, three hundred sixty-four thousand, seven hundred eighty-seven".