61502427 has 48 divisors (see below), whose sum is σ = 105650688. Its totient is φ = 33747840.

The previous prime is 61502393. The next prime is 61502429. The reversal of 61502427 is 72420516.

61502427 is a `hidden beast` number, since 615 + 0 + 2 + 42 + 7 = 666.

It is not a de Polignac number, because 61502427 - 2¹¹ = 61500379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61502427.

It is not an unprimeable number, because it can be changed into a prime (61502429) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 197602 + ... + 197912.

It is an arithmetic number, because the mean of its divisors is an integer number (2201056).

Almost surely, 2^61502427 is an apocalyptic number.

61502427 is a deficient number, since it is larger than the sum of its proper divisors (44148261).

61502427 is a wasteful number, since it uses less digits than its factorization.

61502427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 61502427 is about 7842.3483090207. The cubic root of 61502427 is about 394.7275309439.

The spelling of 61502427 in words is "sixty-one million, five hundred two thousand, four hundred twenty-seven".