2545650215 has 8 divisors (see below), whose sum is σ = 3057104160. Its totient is φ = 2034970912.

The previous prime is 2545650203. The next prime is 2545650269. The reversal of 2545650215 is 5120565452.

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 2545650215 - 2⁴ = 2545650199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186404 + ... + 199593.

It is an arithmetic number, because the mean of its divisors is an integer number (382138020).

Almost surely, 2^2545650215 is an apocalyptic number.

2545650215 is a deficient number, since it is larger than the sum of its proper divisors (511453945).

2545650215 is a wasteful number, since it uses less digits than its factorization.

2545650215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387321.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2545650215 is about 50454.4370199490. The cubic root of 2545650215 is about 1365.4199470899.

The spelling of 2545650215 in words is "two billion, five hundred forty-five million, six hundred fifty thousand, two hundred fifteen".