61542353 has 8 divisors (see below), whose sum is σ = 63399336. Its totient is φ = 59702400.

The previous prime is 61542337. The next prime is 61542361. The reversal of 61542353 is 35324516.

It can be written as a sum of positive squares in 4 ways, for example, as 8427409 + 53114944 = 2903^2 + 7288^2 .

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 61542353 - 2⁴ = 61542337 is a prime.

It is a super-2 number, since 2×61542353² = 7574922425553218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61542323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (7924917).

Almost surely, 2^61542353 is an apocalyptic number.

It is an amenable number.

61542353 is a deficient number, since it is larger than the sum of its proper divisors (1856983).

61542353 is a wasteful number, since it uses less digits than its factorization.

61542353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515.

The product of its digits is 10800, while the sum is 29.

The square root of 61542353 is about 7844.8934345853. The cubic root of 61542353 is about 394.8129285619.

Adding to 61542353 its reverse (35324516), we get a palindrome (96866869).

The spelling of 61542353 in words is "sixty-one million, five hundred forty-two thousand, three hundred fifty-three".