425125310456251 has 2 divisors, whose sum is σ = 425125310456252. Its totient is φ = 425125310456250.

The previous prime is 425125310456239. The next prime is 425125310456263. The reversal of 425125310456251 is 152654013521524.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (425125310456239) and next prime (425125310456263).

It is a cyclic number.

It is not a de Polignac number, because 425125310456251 - 2¹⁹ = 425125309931963 is a prime.

It is not a weakly prime, because it can be changed into another prime (425125320456251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212562655228125 + 212562655228126.

It is an arithmetic number, because the mean of its divisors is an integer number (212562655228126).

Almost surely, 2^{425125310456251} is an apocalyptic number.

425125310456251 is a deficient number, since it is larger than the sum of its proper divisors (1).

425125310456251 is an equidigital number, since it uses as much as digits as its factorization.

425125310456251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 46.

Adding to 425125310456251 its reverse (152654013521524), we get a palindrome (577779323977775).

The spelling of 425125310456251 in words is "four hundred twenty-five trillion, one hundred twenty-five billion, three hundred ten million, four hundred fifty-six thousand, two hundred fifty-one".