61025535 has 16 divisors (see below), whose sum is σ = 108490080. Its totient is φ = 32546880.

The previous prime is 61025527. The next prime is 61025551. The reversal of 61025535 is 53552016.

61025535 is a `hidden beast` number, since 6 + 102 + 553 + 5 = 666.

It is not a de Polignac number, because 61025535 - 2³ = 61025527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 61025499 and 61025508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225886 + ... + 226155.

It is an arithmetic number, because the mean of its divisors is an integer number (6780630).

Almost surely, 2^61025535 is an apocalyptic number.

61025535 is a deficient number, since it is larger than the sum of its proper divisors (47464545).

61025535 is a wasteful number, since it uses less digits than its factorization.

61025535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452055 (or 452049 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 61025535 is about 7811.8842157318. The cubic root of 61025535 is about 393.7046387654.

The spelling of 61025535 in words is "sixty-one million, twenty-five thousand, five hundred thirty-five".