425140414545251 has 4 divisors (see below), whose sum is σ = 425140471801992. Its totient is φ = 425140357288512.

The previous prime is 425140414545233. The next prime is 425140414545269. The reversal of 425140414545251 is 152545414041524.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (425140414545233) and next prime (425140414545269).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425140414545251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425140414545196 and 425140414545205.

It is not an unprimeable number, because it can be changed into a prime (425140414545211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15476705 + ... + 33012258.

It is an arithmetic number, because the mean of its divisors is an integer number (106285117950498).

Almost surely, 2^{425140414545251} is an apocalyptic number.

425140414545251 is a deficient number, since it is larger than the sum of its proper divisors (57256741).

425140414545251 is an equidigital number, since it uses as much as digits as its factorization.

425140414545251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57256740.

The product of its (nonzero) digits is 2560000, while the sum is 47.

Adding to 425140414545251 its reverse (152545414041524), we get a palindrome (577685828586775).

The spelling of 425140414545251 in words is "four hundred twenty-five trillion, one hundred forty billion, four hundred fourteen million, five hundred forty-five thousand, two hundred fifty-one".