4261530 has 96 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 895104.

The previous prime is 4261519. The next prime is 4261541. The reversal of 4261530 is 351624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4261519) and next prime (4261541).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4261497 and 4261506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18999 + ... + 19221.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

Almost surely, 2^4261530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6435072).

4261530 is an abundant number, since it is smaller than the sum of its proper divisors (8608614).

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

4261530 is a wasteful number, since it uses less digits than its factorization.

4261530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4261530 is about 2064.3473544925. The cubic root of 4261530 is about 162.1269390690.

The spelling of 4261530 in words is "four million, two hundred sixty-one thousand, five hundred thirty".