1425387858 has 16 divisors (see below), whose sum is σ = 2853397056. Its totient is φ = 474692400.

The previous prime is 1425387841. The next prime is 1425387863. The reversal of 1425387858 is 8587835241.

It is a self number, because there is not a number n which added to its sum of digits gives 1425387858.

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, 102118 + ... + 115233.

It is an arithmetic number, because the mean of its divisors is an integer number (178337316).

Almost surely, 2^1425387858 is an apocalyptic number.

1425387858 is an abundant number, since it is smaller than the sum of its proper divisors (1428009198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425387858 is a wasteful number, since it uses less digits than its factorization.

1425387858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218449.

The product of its digits is 2150400, while the sum is 51.

The square root of 1425387858 is about 37754.3091315415. The cubic root of 1425387858 is about 1125.4106439663.

The spelling of 1425387858 in words is "one billion, four hundred twenty-five million, three hundred eighty-seven thousand, eight hundred fifty-eight".