61134553 has 2 divisors, whose sum is σ = 61134554. Its totient is φ = 61134552.

The previous prime is 61134547. The next prime is 61134569. The reversal of 61134553 is 35543116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 12873744 = 6947^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 61134553 - 2⁹ = 61134041 is a prime.

It is not a weakly prime, because it can be changed into another prime (61134583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30567276 + 30567277.

It is an arithmetic number, because the mean of its divisors is an integer number (30567277).

Almost surely, 2^61134553 is an apocalyptic number.

It is an amenable number.

61134553 is a deficient number, since it is larger than the sum of its proper divisors (1).

61134553 is an equidigital number, since it uses as much as digits as its factorization.

61134553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 61134553 is about 7818.8588041990. The cubic root of 61134553 is about 393.9389415547.

Adding to 61134553 its reverse (35543116), we get a palindrome (96677669).

The spelling of 61134553 in words is "sixty-one million, one hundred thirty-four thousand, five hundred fifty-three".