250564214061 has 36 divisors (see below), whose sum is σ = 421063240572. Its totient is φ = 143163506304.

The previous prime is 250564214057. The next prime is 250564214081. The reversal of 250564214061 is 160412465052.

250564214061 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 642 + 1 + 4 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91128515625 + 159435698436 = 301875^2 + 399294^2 .

It is not a de Polignac number, because 250564214061 - 2² = 250564214057 is a prime.

It is a super-2 number, since 2×250564214061² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250564214081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4706785 + ... + 4759721.

It is an arithmetic number, because the mean of its divisors is an integer number (11696201127).

Almost surely, 2^250564214061 is an apocalyptic number.

250564214061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

250564214061 is a deficient number, since it is larger than the sum of its proper divisors (170499026511).

250564214061 is a wasteful number, since it uses less digits than its factorization.

250564214061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63690 (or 63680 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 250564214061 in words is "two hundred fifty billion, five hundred sixty-four million, two hundred fourteen thousand, sixty-one".