2420252651 has 4 divisors (see below), whose sum is σ = 2562620472. Its totient is φ = 2277884832.

The previous prime is 2420252647. The next prime is 2420252657. The reversal of 2420252651 is 1562520242.

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

It is a cyclic number.

It is not a de Polignac number, because 2420252651 - 2² = 2420252647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420252657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71183885 + ... + 71183918.

It is an arithmetic number, because the mean of its divisors is an integer number (640655118).

Almost surely, 2^2420252651 is an apocalyptic number.

2420252651 is a deficient number, since it is larger than the sum of its proper divisors (142367821).

2420252651 is a wasteful number, since it uses less digits than its factorization.

2420252651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142367820.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2420252651 is about 49196.0633689323. The cubic root of 2420252651 is about 1342.6214094454.

Adding to 2420252651 its reverse (1562520242), we get a palindrome (3982772893).

The spelling of 2420252651 in words is "two billion, four hundred twenty million, two hundred fifty-two thousand, six hundred fifty-one".