61196451 has 4 divisors (see below), whose sum is σ = 81595272. Its totient is φ = 40797632.

The previous prime is 61196431. The next prime is 61196453. The reversal of 61196451 is 15469116.

61196451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61196451 - 2⁵ = 61196419 is a prime.

It is a super-2 number, since 2×61196451² = 7490011229990802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61196453) 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 3 ways as a sum of consecutive naturals, for example, 10199406 + ... + 10199411.

It is an arithmetic number, because the mean of its divisors is an integer number (20398818).

Almost surely, 2^61196451 is an apocalyptic number.

61196451 is a deficient number, since it is larger than the sum of its proper divisors (20398821).

61196451 is a wasteful number, since it uses less digits than its factorization.

61196451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398820.

The product of its digits is 6480, while the sum is 33.

The square root of 61196451 is about 7822.8160530592. The cubic root of 61196451 is about 394.0718495231.

The spelling of 61196451 in words is "sixty-one million, one hundred ninety-six thousand, four hundred fifty-one".