425156667 has 16 divisors (see below), whose sum is σ = 610921248. Its totient is φ = 261446400.

The previous prime is 425156663. The next prime is 425156671. The reversal of 425156667 is 766651524.

It is an interprime number because it is at equal distance from previous prime (425156663) and next prime (425156671).

It is not a de Polignac number, because 425156667 - 2² = 425156663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425156663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67213 + ... + 73265.

It is an arithmetic number, because the mean of its divisors is an integer number (38182578).

Almost surely, 2^425156667 is an apocalyptic number.

425156667 is a deficient number, since it is larger than the sum of its proper divisors (185764581).

425156667 is a wasteful number, since it uses less digits than its factorization.

425156667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870.

The product of its digits is 302400, while the sum is 42.

The square root of 425156667 is about 20619.3275108574. The cubic root of 425156667 is about 751.9396708006.

The spelling of 425156667 in words is "four hundred twenty-five million, one hundred fifty-six thousand, six hundred sixty-seven".