611525493 has 12 divisors (see below), whose sum is σ = 887174860. Its totient is φ = 405902016.

The previous prime is 611525483. The next prime is 611525503. The reversal of 611525493 is 394525116.

611525493 is a `hidden beast` number, since 61 + 1 + 52 + 549 + 3 = 666.

611525493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (611525483) and next prime (611525503).

It can be written as a sum of positive squares in 2 ways, for example, as 540004644 + 71520849 = 23238^2 + 8457^2 .

It is not a de Polignac number, because 611525493 - 2⁴ = 611525477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611525483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146296 + ... + 150417.

Almost surely, 2^611525493 is an apocalyptic number.

It is an amenable number.

611525493 is a deficient number, since it is larger than the sum of its proper divisors (275649367).

611525493 is a wasteful number, since it uses less digits than its factorization.

611525493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296948 (or 296945 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 611525493 is about 24729.0414897141. The cubic root of 611525493 is about 848.7989926481.

The spelling of 611525493 in words is "six hundred eleven million, five hundred twenty-five thousand, four hundred ninety-three".