611701025 has 24 divisors (see below), whose sum is σ = 819348600. Its totient is φ = 450339840.

The previous prime is 611701019. The next prime is 611701043. The reversal of 611701025 is 520107116.

It can be written as a sum of positive squares in 12 ways, for example, as 62220544 + 549480481 = 7888^2 + 23441^2 .

It is not a de Polignac number, because 611701025 - 2⁴ = 611701009 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 110729 + ... + 116121.

It is an arithmetic number, because the mean of its divisors is an integer number (34139525).

Almost surely, 2^611701025 is an apocalyptic number.

611701025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

611701025 is a deficient number, since it is larger than the sum of its proper divisors (207647575).

611701025 is a wasteful number, since it uses less digits than its factorization.

611701025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 611701025 is about 24732.5903414907. The cubic root of 611701025 is about 848.8801978381.

The spelling of 611701025 in words is "six hundred eleven million, seven hundred one thousand, twenty-five".