425011646 has 32 divisors (see below), whose sum is σ = 697680000. Its totient is φ = 193408992.

The previous prime is 425011607. The next prime is 425011673. The reversal of 425011646 is 646110524.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249305 + ... + 251003.

It is an arithmetic number, because the mean of its divisors is an integer number (21802500).

Almost surely, 2^425011646 is an apocalyptic number.

425011646 is a deficient number, since it is larger than the sum of its proper divisors (272668354).

425011646 is a wasteful number, since it uses less digits than its factorization.

425011646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 425011646 is about 20615.8105831423. The cubic root of 425011646 is about 751.8541655014.

The spelling of 425011646 in words is "four hundred twenty-five million, eleven thousand, six hundred forty-six".