61106437 has 4 divisors (see below), whose sum is σ = 69835936. Its totient is φ = 52376940.

The previous prime is 61106407. The next prime is 61106447. The reversal of 61106437 is 73460116.

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 not a de Polignac number, because 61106437 - 2²³ = 52717829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61106407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364739 + ... + 4364752.

It is an arithmetic number, because the mean of its divisors is an integer number (17458984).

Almost surely, 2^61106437 is an apocalyptic number.

It is an amenable number.

61106437 is a deficient number, since it is larger than the sum of its proper divisors (8729499).

61106437 is an equidigital number, since it uses as much as digits as its factorization.

61106437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729498.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61106437 is about 7817.0606368379. The cubic root of 61106437 is about 393.8785409840.

The spelling of 61106437 in words is "sixty-one million, one hundred six thousand, four hundred thirty-seven".