61410402 has 12 divisors (see below), whose sum is σ = 133055910. Its totient is φ = 20470128.

The previous prime is 61410379. The next prime is 61410421. The reversal of 61410402 is 20401416.

61410402 is a `hidden beast` number, since 614 + 10 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43441281 + 17969121 = 6591^2 + 4239^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3411689 = 61410402 / (6 + 1 + 4 + 1 + 0 + 4 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1705827 + ... + 1705862.

Almost surely, 2^61410402 is an apocalyptic number.

61410402 is an abundant number, since it is smaller than the sum of its proper divisors (71645508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61410402 is a wasteful number, since it uses less digits than its factorization.

61410402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411697 (or 3411694 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 61410402 is about 7836.4789287026. The cubic root of 61410402 is about 394.5305580477.

Adding to 61410402 its reverse (20401416), we get a palindrome (81811818).

The spelling of 61410402 in words is "sixty-one million, four hundred ten thousand, four hundred two".