61830051 has 16 divisors (see below), whose sum is σ = 85361664. Its totient is φ = 39783744.

The previous prime is 61830029. The next prime is 61830133. The reversal of 61830051 is 15003816.

It is not a de Polignac number, because 61830051 - 2⁵ = 61830019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61830011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7290 + ... + 13296.

It is an arithmetic number, because the mean of its divisors is an integer number (5335104).

Almost surely, 2^61830051 is an apocalyptic number.

61830051 is a deficient number, since it is larger than the sum of its proper divisors (23531613).

61830051 is a wasteful number, since it uses less digits than its factorization.

61830051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61830051 is about 7863.2086962003. The cubic root of 61830051 is about 395.4271957785.

Adding to 61830051 its reverse (15003816), we get a palindrome (76833867).

The spelling of 61830051 in words is "sixty-one million, eight hundred thirty thousand, fifty-one".