2545001655 has 64 divisors (see below), whose sum is σ = 4774640640. Its totient is φ = 1133346816.

The previous prime is 2545001653. The next prime is 2545001663. The reversal of 2545001655 is 5561005452.

It is not a de Polignac number, because 2545001655 - 2¹ = 2545001653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545001653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3309111 + ... + 3309879.

It is an arithmetic number, because the mean of its divisors is an integer number (74603760).

Almost surely, 2^2545001655 is an apocalyptic number.

2545001655 is a deficient number, since it is larger than the sum of its proper divisors (2229638985).

2545001655 is a wasteful number, since it uses less digits than its factorization.

2545001655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2545001655 is about 50448.0094255462. The cubic root of 2545001655 is about 1365.3039803883.

The spelling of 2545001655 in words is "two billion, five hundred forty-five million, one thousand, six hundred fifty-five".