2451240101 has 2 divisors, whose sum is σ = 2451240102. Its totient is φ = 2451240100.

The previous prime is 2451240097. The next prime is 2451240107. The reversal of 2451240101 is 1010421542.

It is a happy number.

It is a Cunningham number, because it is equal to 49510²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2451240100 + 1 = 49510^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451240101 - 2² = 2451240097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451240107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225620050 + 1225620051.

It is an arithmetic number, because the mean of its divisors is an integer number (1225620051).

Almost surely, 2^2451240101 is an apocalyptic number.

It is an amenable number.

2451240101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451240101 is an equidigital number, since it uses as much as digits as its factorization.

2451240101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2451240101 is about 49510.0000100990. Note that the first 4 decimals coincide. The cubic root of 2451240101 is about 1348.3271645631.

Adding to 2451240101 its reverse (1010421542), we get a palindrome (3461661643).

The spelling of 2451240101 in words is "two billion, four hundred fifty-one million, two hundred forty thousand, one hundred one".