425532251 has 2 divisors, whose sum is σ = 425532252. Its totient is φ = 425532250.

The previous prime is 425532203. The next prime is 425532271. The reversal of 425532251 is 152235524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425532251 - 2⁶ = 425532187 is a prime.

It is a super-2 number, since 2×425532251² = 362155393282254002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425532271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212766125 + 212766126.

It is an arithmetic number, because the mean of its divisors is an integer number (212766126).

Almost surely, 2^425532251 is an apocalyptic number.

425532251 is a deficient number, since it is larger than the sum of its proper divisors (1).

425532251 is an equidigital number, since it uses as much as digits as its factorization.

425532251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 29.

The square root of 425532251 is about 20628.4330718550. The cubic root of 425532251 is about 752.1610271535.

Adding to 425532251 its reverse (152235524), we get a palindrome (577767775).

The spelling of 425532251 in words is "four hundred twenty-five million, five hundred thirty-two thousand, two hundred fifty-one".