425616554 has 16 divisors (see below), whose sum is σ = 698232096. Its totient is φ = 192970800.

The previous prime is 425616523. The next prime is 425616593. The reversal of 425616554 is 455616524.

It is a super-2 number, since 2×425616554² = 362298902077669832, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15632 + ... + 33099.

It is an arithmetic number, because the mean of its divisors is an integer number (43639506).

Almost surely, 2^425616554 is an apocalyptic number.

425616554 is a deficient number, since it is larger than the sum of its proper divisors (272615542).

425616554 is a wasteful number, since it uses less digits than its factorization.

425616554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49141.

The product of its digits is 144000, while the sum is 38.

The square root of 425616554 is about 20630.4763396292. The cubic root of 425616554 is about 752.2106945556.

The spelling of 425616554 in words is "four hundred twenty-five million, six hundred sixteen thousand, five hundred fifty-four".