2545465387 has 8 divisors (see below), whose sum is σ = 2560268880. Its totient is φ = 2530688160.

The previous prime is 2545465381. The next prime is 2545465393. The reversal of 2545465387 is 7835645452.

It is an interprime number because it is at equal distance from previous prime (2545465381) and next prime (2545465393).

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

It is a cyclic number.

It is not a de Polignac number, because 2545465387 - 2¹⁵ = 2545432619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545465387.

It is not an unprimeable number, because it can be changed into a prime (2545465381) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 207789 + ... + 219697.

It is an arithmetic number, because the mean of its divisors is an integer number (320033610).

Almost surely, 2^2545465387 is an apocalyptic number.

2545465387 is a deficient number, since it is larger than the sum of its proper divisors (14803493).

2545465387 is a wasteful number, since it uses less digits than its factorization.

2545465387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133.

The product of its digits is 4032000, while the sum is 49.

The square root of 2545465387 is about 50452.6053539359. The cubic root of 2545465387 is about 1365.3869006611.

The spelling of 2545465387 in words is "two billion, five hundred forty-five million, four hundred sixty-five thousand, three hundred eighty-seven".