611625654 has 48 divisors (see below), whose sum is σ = 1377182352. Its totient is φ = 203443488.

The previous prime is 611625653. The next prime is 611625661. The reversal of 611625654 is 456526116.

611625654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611625653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296892 + ... + 298944.

It is an arithmetic number, because the mean of its divisors is an integer number (28691299).

Almost surely, 2^611625654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611625654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688591176).

611625654 is an abundant number, since it is smaller than the sum of its proper divisors (765556698).

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

611625654 is a wasteful number, since it uses less digits than its factorization.

611625654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683 (or 2671 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 611625654 is about 24731.0665762720. The cubic root of 611625654 is about 848.8453313621.

The spelling of 611625654 in words is "six hundred eleven million, six hundred twenty-five thousand, six hundred fifty-four".