61151153 has 4 divisors (see below), whose sum is σ = 69887040. Its totient is φ = 52415268.

The previous prime is 61151147. The next prime is 61151173. The reversal of 61151153 is 35115116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61151153 - 2⁴ = 61151137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61151143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4367933 + ... + 4367946.

It is an arithmetic number, because the mean of its divisors is an integer number (17471760).

Almost surely, 2^61151153 is an apocalyptic number.

It is an amenable number.

61151153 is a deficient number, since it is larger than the sum of its proper divisors (8735887).

61151153 is an equidigital number, since it uses as much as digits as its factorization.

61151153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735886.

The product of its digits is 450, while the sum is 23.

The square root of 61151153 is about 7819.9202681357. The cubic root of 61151153 is about 393.9745940312.

Adding to 61151153 its reverse (35115116), we get a palindrome (96266269).

The spelling of 61151153 in words is "sixty-one million, one hundred fifty-one thousand, one hundred fifty-three".