61651461 has 8 divisors (see below), whose sum is σ = 82240704. Its totient is φ = 41081600.

The previous prime is 61651459. The next prime is 61651481. The reversal of 61651461 is 16415616.

61651461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61651461 - 2¹ = 61651459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61651411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6136 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (10280088).

Almost surely, 2^61651461 is an apocalyptic number.

It is an amenable number.

61651461 is a deficient number, since it is larger than the sum of its proper divisors (20589243).

61651461 is a wasteful number, since it uses less digits than its factorization.

61651461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691.

The product of its digits is 4320, while the sum is 30.

The square root of 61651461 is about 7851.8444329979. The cubic root of 61651461 is about 395.0461111581.

It can be divided in two parts, 6165 and 1461, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 61651461 in words is "sixty-one million, six hundred fifty-one thousand, four hundred sixty-one".