611254530 has 96 divisors (see below), whose sum is σ = 1617273216. Its totient is φ = 160157952.

The previous prime is 611254517. The next prime is 611254543. The reversal of 611254530 is 35452116.

611254530 is a `hidden beast` number, since 6 + 1 + 125 + 4 + 530 = 666.

It is an interprime number because it is at equal distance from previous prime (611254517) and next prime (611254543).

It is a junction number, because it is equal to n+sod(n) for n = 611254494 and 611254503.

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, 2159769 + ... + 2160051.

It is an arithmetic number, because the mean of its divisors is an integer number (16846596).

Almost surely, 2^611254530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611254530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808636608).

611254530 is an abundant number, since it is smaller than the sum of its proper divisors (1006018686).

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

611254530 is a wasteful number, since it uses less digits than its factorization.

611254530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 611254530 is about 24723.5622433338. The cubic root of 611254530 is about 848.6736083417.

Adding to 611254530 its product of nonzero digits (3600), we get a triangular number (611258130 = T₃₄₉₆₄).

The spelling of 611254530 in words is "six hundred eleven million, two hundred fifty-four thousand, five hundred thirty".