61304153 has 4 divisors (see below), whose sum is σ = 62961060. Its totient is φ = 59647248.

The previous prime is 61304149. The next prime is 61304167. The reversal of 61304153 is 35140316.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54051904 + 7252249 = 7352^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 61304153 - 2² = 61304149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61304123) 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, 828398 + ... + 828471.

It is an arithmetic number, because the mean of its divisors is an integer number (15740265).

Almost surely, 2^61304153 is an apocalyptic number.

It is an amenable number.

61304153 is a deficient number, since it is larger than the sum of its proper divisors (1656907).

61304153 is a wasteful number, since it uses less digits than its factorization.

61304153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656906.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61304153 is about 7829.6968651411. The cubic root of 61304153 is about 394.3028947953.

Adding to 61304153 its reverse (35140316), we get a palindrome (96444469).

The spelling of 61304153 in words is "sixty-one million, three hundred four thousand, one hundred fifty-three".