2521205995 has 64 divisors (see below), whose sum is σ = 4062182400. Its totient is φ = 1453916160.

The previous prime is 2521205993. The next prime is 2521206013. The reversal of 2521205995 is 5995021252.

2521205995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521205995 - 2¹ = 2521205993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521205993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382891 + ... + 389419.

It is an arithmetic number, because the mean of its divisors is an integer number (63471600).

Almost surely, 2^2521205995 is an apocalyptic number.

2521205995 is a deficient number, since it is larger than the sum of its proper divisors (1540976405).

2521205995 is a wasteful number, since it uses less digits than its factorization.

2521205995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 2521205995 is about 50211.6121529672. The cubic root of 2521205995 is about 1361.0354706092.

The spelling of 2521205995 in words is "two billion, five hundred twenty-one million, two hundred five thousand, nine hundred ninety-five".