425576251 has 2 divisors, whose sum is σ = 425576252. Its totient is φ = 425576250.

The previous prime is 425576237. The next prime is 425576267. The reversal of 425576251 is 152675524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425576251 - 2¹⁵ = 425543483 is a prime.

It is a super-2 number, since 2×425576251² = 362230290830430002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425576251.

It is not a weakly prime, because it can be changed into another prime (425576051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212788125 + 212788126.

It is an arithmetic number, because the mean of its divisors is an integer number (212788126).

Almost surely, 2^425576251 is an apocalyptic number.

425576251 is a deficient number, since it is larger than the sum of its proper divisors (1).

425576251 is an equidigital number, since it uses as much as digits as its factorization.

425576251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 425576251 is about 20629.4995334351. The cubic root of 425576251 is about 752.1869507230.

The spelling of 425576251 in words is "four hundred twenty-five million, five hundred seventy-six thousand, two hundred fifty-one".