2401240651 has 4 divisors (see below), whose sum is σ = 2405250000. Its totient is φ = 2397231304.

The previous prime is 2401240649. The next prime is 2401240697. The reversal of 2401240651 is 1560421042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1560421042 = 2 ⋅780210521.

It is a cyclic number.

It is not a de Polignac number, because 2401240651 - 2¹ = 2401240649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401240451) 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, 2003776 + ... + 2004973.

It is an arithmetic number, because the mean of its divisors is an integer number (601312500).

Almost surely, 2^2401240651 is an apocalyptic number.

2401240651 is a deficient number, since it is larger than the sum of its proper divisors (4009349).

2401240651 is an equidigital number, since it uses as much as digits as its factorization.

2401240651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009348.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2401240651 is about 49002.4555609206. The cubic root of 2401240651 is about 1339.0965639390.

Adding to 2401240651 its reverse (1560421042), we get a palindrome (3961661693).

The spelling of 2401240651 in words is "two billion, four hundred one million, two hundred forty thousand, six hundred fifty-one".