625242011 has 2 divisors, whose sum is σ = 625242012. Its totient is φ = 625242010.

The previous prime is 625241977. The next prime is 625242017. The reversal of 625242011 is 110242526.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625242011 - 2¹⁸ = 624979867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (625242017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312621005 + 312621006.

It is an arithmetic number, because the mean of its divisors is an integer number (312621006).

Almost surely, 2^625242011 is an apocalyptic number.

625242011 is a deficient number, since it is larger than the sum of its proper divisors (1).

625242011 is an equidigital number, since it uses as much as digits as its factorization.

625242011 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 23.

The square root of 625242011 is about 25004.8397515361. The cubic root of 625242011 is about 855.0983145612.

Adding to 625242011 its reverse (110242526), we get a palindrome (735484537).

The spelling of 625242011 in words is "six hundred twenty-five million, two hundred forty-two thousand, eleven".