2500045761 has 8 divisors (see below), whose sum is σ = 3404317824. Its totient is φ = 1631235440.

The previous prime is 2500045759. The next prime is 2500045781. The reversal of 2500045761 is 1675400052.

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 2500045761 - 2¹ = 2500045759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500045781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8865270 + ... + 8865551.

It is an arithmetic number, because the mean of its divisors is an integer number (425539728).

Almost surely, 2^2500045761 is an apocalyptic number.

It is an amenable number.

2500045761 is a deficient number, since it is larger than the sum of its proper divisors (904272063).

2500045761 is a wasteful number, since it uses less digits than its factorization.

2500045761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730871.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2500045761 is about 50000.4576079060. The cubic root of 2500045761 is about 1357.2170892112.

The spelling of 2500045761 in words is "two billion, five hundred million, forty-five thousand, seven hundred sixty-one".