61930361 has 4 divisors (see below), whose sum is σ = 61946112. Its totient is φ = 61914612.

The previous prime is 61930357. The next prime is 61930369. The reversal of 61930361 is 16303916.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61930361 - 2² = 61930357 is a prime.

It is a super-2 number, since 2×61930361² = 7670739227180642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61930369) 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 3 ways as a sum of consecutive naturals, for example, 3500 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (15486528).

Almost surely, 2^61930361 is an apocalyptic number.

It is an amenable number.

61930361 is a deficient number, since it is larger than the sum of its proper divisors (15751).

61930361 is an equidigital number, since it uses as much as digits as its factorization.

61930361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 61930361 is about 7869.5845506609. The cubic root of 61930361 is about 395.6409207139.

The spelling of 61930361 in words is "sixty-one million, nine hundred thirty thousand, three hundred sixty-one".