2621232545 has 16 divisors (see below), whose sum is σ = 3212637120. Its totient is φ = 2052679104.

The previous prime is 2621232521. The next prime is 2621232547. The reversal of 2621232545 is 5452321262.

2621232545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2621232545 - 2²⁶ = 2554123681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2621232547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16262 + ... + 74208.

It is an arithmetic number, because the mean of its divisors is an integer number (200789820).

Almost surely, 2^2621232545 is an apocalyptic number.

It is an amenable number.

2621232545 is a deficient number, since it is larger than the sum of its proper divisors (591404575).

2621232545 is a wasteful number, since it uses less digits than its factorization.

2621232545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58144.

The product of its digits is 28800, while the sum is 32.

The square root of 2621232545 is about 51197.9740321822. The cubic root of 2621232545 is about 1378.8018279193.

The spelling of 2621232545 in words is "two billion, six hundred twenty-one million, two hundred thirty-two thousand, five hundred forty-five".