61030153 has 6 divisors (see below), whose sum is σ = 64831646. Its totient is φ = 57439872.

The previous prime is 61030133. The next prime is 61030157. The reversal of 61030153 is 35103016.

It can be written as a sum of positive squares in 3 ways, for example, as 18558864 + 42471289 = 4308^2 + 6517^2 .

It is not a de Polignac number, because 61030153 - 2⁵ = 61030121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61030153.

It is not an unprimeable number, because it can be changed into a prime (61030157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105300 + ... + 105877.

Almost surely, 2^61030153 is an apocalyptic number.

It is an amenable number.

61030153 is a deficient number, since it is larger than the sum of its proper divisors (3801493).

61030153 is a wasteful number, since it uses less digits than its factorization.

61030153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211211 (or 211194 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 61030153 is about 7812.1797854376. The cubic root of 61030153 is about 393.7145694835.

Adding to 61030153 its reverse (35103016), we get a palindrome (96133169).

The spelling of 61030153 in words is "sixty-one million, thirty thousand, one hundred fifty-three".