425249078 has 4 divisors (see below), whose sum is σ = 637873620. Its totient is φ = 212624538.

The previous prime is 425249063. The next prime is 425249119. The reversal of 425249078 is 870942524.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106312268 + ... + 106312271.

It is an arithmetic number, because the mean of its divisors is an integer number (159468405).

Almost surely, 2^425249078 is an apocalyptic number.

425249078 is a deficient number, since it is larger than the sum of its proper divisors (212624542).

425249078 is a wasteful number, since it uses less digits than its factorization.

425249078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212624541.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 425249078 is about 20621.5682720786. The cubic root of 425249078 is about 751.9941467686.

The spelling of 425249078 in words is "four hundred twenty-five million, two hundred forty-nine thousand, seventy-eight".