2505745007 has 8 divisors (see below), whose sum is σ = 2552305392. Its totient is φ = 2459361600.

The previous prime is 2505744991. The next prime is 2505745009. The reversal of 2505745007 is 7005475052.

It is a happy number.

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 2505745007 - 2⁴ = 2505744991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505745009) 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, 15494 + ... + 72467.

It is an arithmetic number, because the mean of its divisors is an integer number (319038174).

Almost surely, 2^2505745007 is an apocalyptic number.

2505745007 is a deficient number, since it is larger than the sum of its proper divisors (46560385).

2505745007 is an equidigital number, since it uses as much as digits as its factorization.

2505745007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88489.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 2505745007 is about 50057.4171027631. The cubic root of 2505745007 is about 1358.2476361741.

The spelling of 2505745007 in words is "two billion, five hundred five million, seven hundred forty-five thousand, seven".