61046451 has 6 divisors (see below), whose sum is σ = 88178220. Its totient is φ = 40697628.

The previous prime is 61046443. The next prime is 61046477. The reversal of 61046451 is 15464016.

61046451 is a `hidden beast` number, since 6 + 10 + 4 + 645 + 1 = 666.

It is not a de Polignac number, because 61046451 - 2³ = 61046443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61046441) 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 5 ways as a sum of consecutive naturals, for example, 3391461 + ... + 3391478.

It is an arithmetic number, because the mean of its divisors is an integer number (14696370).

Almost surely, 2^61046451 is an apocalyptic number.

61046451 is a deficient number, since it is larger than the sum of its proper divisors (27131769).

61046451 is a wasteful number, since it uses less digits than its factorization.

61046451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782945 (or 6782942 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 61046451 is about 7813.2228305610. Note that the first 3 decimals coincide. The cubic root of 61046451 is about 393.7496133027.

The spelling of 61046451 in words is "sixty-one million, forty-six thousand, four hundred fifty-one".