61330153 has 4 divisors (see below), whose sum is σ = 61903440. Its totient is φ = 60756868.

The previous prime is 61330151. The next prime is 61330177. The reversal of 61330153 is 35103316.

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 61330153 - 2¹ = 61330151 is a prime.

It is a super-2 number, since 2×61330153² = 7522775334006818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61330151) 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, 286483 + ... + 286696.

It is an arithmetic number, because the mean of its divisors is an integer number (15475860).

Almost surely, 2^61330153 is an apocalyptic number.

It is an amenable number.

61330153 is a deficient number, since it is larger than the sum of its proper divisors (573287).

61330153 is a wasteful number, since it uses less digits than its factorization.

61330153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573286.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 61330153 is about 7831.3570343843. The cubic root of 61330153 is about 394.3586301508.

Adding to 61330153 its reverse (35103316), we get a palindrome (96433469).

The spelling of 61330153 in words is "sixty-one million, three hundred thirty thousand, one hundred fifty-three".