100425251 has 2 divisors, whose sum is σ = 100425252. Its totient is φ = 100425250.

The previous prime is 100425233. The next prime is 100425263. The reversal of 100425251 is 152524001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100425251 - 2¹⁰ = 100424227 is a prime.

It is not a weakly prime, because it can be changed into another prime (100425211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50212625 + 50212626.

It is an arithmetic number, because the mean of its divisors is an integer number (50212626).

Almost surely, 2^100425251 is an apocalyptic number.

100425251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100425251 is an equidigital number, since it uses as much as digits as its factorization.

100425251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 100425251 is about 10021.2399931346. The cubic root of 100425251 is about 464.8158996811.

Adding to 100425251 its reverse (152524001), we get a palindrome (252949252).

The spelling of 100425251 in words is "one hundred million, four hundred twenty-five thousand, two hundred fifty-one".