2531755045 has 4 divisors (see below), whose sum is σ = 3038106060. Its totient is φ = 2025404032.

The previous prime is 2531755021. The next prime is 2531755069. The reversal of 2531755045 is 5405571352.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2531755021) and next prime (2531755069).

It can be written as a sum of positive squares in 2 ways, for example, as 1598880196 + 932874849 = 39986^2 + 30543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531755045 - 2³¹ = 384271397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531754995 and 2531755013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253175500 + ... + 253175509.

It is an arithmetic number, because the mean of its divisors is an integer number (759526515).

Almost surely, 2^2531755045 is an apocalyptic number.

It is an amenable number.

2531755045 is a deficient number, since it is larger than the sum of its proper divisors (506351015).

2531755045 is an equidigital number, since it uses as much as digits as its factorization.

2531755045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506351014.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 2531755045 is about 50316.5484209718. The cubic root of 2531755045 is about 1362.9310783664.

The spelling of 2531755045 in words is "two billion, five hundred thirty-one million, seven hundred fifty-five thousand, forty-five".