611772425 has 12 divisors (see below), whose sum is σ = 827561616. Its totient is φ = 444925200.

The previous prime is 611772409. The next prime is 611772433. The reversal of 611772425 is 524277116.

It is not a de Polignac number, because 611772425 - 2⁴ = 611772409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112039 + ... + 1112588.

It is an arithmetic number, because the mean of its divisors is an integer number (68963468).

Almost surely, 2^611772425 is an apocalyptic number.

It is an amenable number.

611772425 is a deficient number, since it is larger than the sum of its proper divisors (215789191).

611772425 is a wasteful number, since it uses less digits than its factorization.

611772425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224648 (or 2224643 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 611772425 is about 24734.0337389598. The cubic root of 611772425 is about 848.9132246958.

The spelling of 611772425 in words is "six hundred eleven million, seven hundred seventy-two thousand, four hundred twenty-five".