425725887 has 16 divisors (see below), whose sum is σ = 597168000. Its totient is φ = 269382624.

The previous prime is 425725877. The next prime is 425725889. The reversal of 425725887 is 788527524.

It is not a de Polignac number, because 425725887 - 2⁴ = 425725871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425725889) 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, 36337 + ... + 46602.

It is an arithmetic number, because the mean of its divisors is an integer number (37323000).

Almost surely, 2^425725887 is an apocalyptic number.

425725887 is a deficient number, since it is larger than the sum of its proper divisors (171442113).

425725887 is a wasteful number, since it uses less digits than its factorization.

425725887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83030.

The product of its digits is 1254400, while the sum is 48.

The square root of 425725887 is about 20633.1259628782. The cubic root of 425725887 is about 752.2750987006.

The spelling of 425725887 in words is "four hundred twenty-five million, seven hundred twenty-five thousand, eight hundred eighty-seven".