2501212305 has 32 divisors (see below), whose sum is σ = 4086785664. Its totient is φ = 1305814016.

The previous prime is 2501212289. The next prime is 2501212331. The reversal of 2501212305 is 5032121052.

It is a cyclic number.

It is not a de Polignac number, because 2501212305 - 2⁴ = 2501212289 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367897 + ... + 374633.

It is an arithmetic number, because the mean of its divisors is an integer number (127712052).

Almost surely, 2^2501212305 is an apocalyptic number.

It is an amenable number.

2501212305 is a deficient number, since it is larger than the sum of its proper divisors (1585573359).

2501212305 is a wasteful number, since it uses less digits than its factorization.

2501212305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2501212305 is about 50012.1215806728. The cubic root of 2501212305 is about 1357.4281529828.

Adding to 2501212305 its reverse (5032121052), we get a palindrome (7533333357).

The spelling of 2501212305 in words is "two billion, five hundred one million, two hundred twelve thousand, three hundred five".