2052506645 has 16 divisors (see below), whose sum is σ = 2980447488. Its totient is φ = 1324642560.

The previous prime is 2052506633. The next prime is 2052506657. The reversal of 2052506645 is 5466052502.

It is an interprime number because it is at equal distance from previous prime (2052506633) and next prime (2052506657).

It is not a de Polignac number, because 2052506645 - 2⁴ = 2052506629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724201 + ... + 1725390.

It is an arithmetic number, because the mean of its divisors is an integer number (186277968).

Almost surely, 2^2052506645 is an apocalyptic number.

It is an amenable number.

2052506645 is a deficient number, since it is larger than the sum of its proper divisors (927940843).

2052506645 is a wasteful number, since it uses less digits than its factorization.

2052506645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449620.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2052506645 is about 45304.5984972828. The cubic root of 2052506645 is about 1270.8516504344.

The spelling of 2052506645 in words is "two billion, fifty-two million, five hundred six thousand, six hundred forty-five".