4013240251 has 2 divisors, whose sum is σ = 4013240252. Its totient is φ = 4013240250.

The previous prime is 4013240233. The next prime is 4013240279. The reversal of 4013240251 is 1520423104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4013240251 - 2¹³ = 4013232059 is a prime.

It is a super-2 number, since 2×4013240251² = 32212194624493086002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4013240221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006620125 + 2006620126.

It is an arithmetic number, because the mean of its divisors is an integer number (2006620126).

Almost surely, 2^4013240251 is an apocalyptic number.

4013240251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013240251 is an equidigital number, since it uses as much as digits as its factorization.

4013240251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4013240251 is about 63350.1401024497. The cubic root of 4013240251 is about 1589.1505887241.

Adding to 4013240251 its reverse (1520423104), we get a palindrome (5533663355).

The spelling of 4013240251 in words is "four billion, thirteen million, two hundred forty thousand, two hundred fifty-one".