42250885 has 16 divisors (see below), whose sum is σ = 54038016. Its totient is φ = 31639168.

The previous prime is 42250849. The next prime is 42250913. The reversal of 42250885 is 58805224.

42250885 = 2051² + 2052² + ... + 2060².

It is not a de Polignac number, because 42250885 - 2⁷ = 42250757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42250885.

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, 1497 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (3377376).

Almost surely, 2^42250885 is an apocalyptic number.

It is an amenable number.

42250885 is a deficient number, since it is larger than the sum of its proper divisors (11787131).

42250885 is a wasteful number, since it uses less digits than its factorization.

42250885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 42250885 is about 6500.0680765666. The cubic root of 42250885 is about 348.2934202314.

The spelling of 42250885 in words is "forty-two million, two hundred fifty thousand, eight hundred eighty-five".