425266651 has 2 divisors, whose sum is σ = 425266652. Its totient is φ = 425266650.

The previous prime is 425266613. The next prime is 425266663. The reversal of 425266651 is 156662524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425266651 - 2¹³ = 425258459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425266651.

It is not a weakly prime, because it can be changed into another prime (425266601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212633325 + 212633326.

It is an arithmetic number, because the mean of its divisors is an integer number (212633326).

Almost surely, 2^425266651 is an apocalyptic number.

425266651 is a deficient number, since it is larger than the sum of its proper divisors (1).

425266651 is an equidigital number, since it uses as much as digits as its factorization.

425266651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 425266651 is about 20621.9943506927. The cubic root of 425266651 is about 752.0045050988.

The spelling of 425266651 in words is "four hundred twenty-five million, two hundred sixty-six thousand, six hundred fifty-one".