61080437 has 6 divisors (see below), whose sum is σ = 67138134. Its totient is φ = 55527560.

The previous prime is 61080431. The next prime is 61080449. The reversal of 61080437 is 73408016.

It can be written as a sum of positive squares in only one way, i.e., 60824401 + 256036 = 7799^2 + 506^2 .

It is not a de Polignac number, because 61080437 - 2⁶ = 61080373 is a prime.

It is a super-2 number, since 2×61080437² = 7461639568221938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61080431) 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, 252278 + ... + 252519.

It is an arithmetic number, because the mean of its divisors is an integer number (11189689).

Almost surely, 2^61080437 is an apocalyptic number.

It is an amenable number.

61080437 is a deficient number, since it is larger than the sum of its proper divisors (6057697).

61080437 is a wasteful number, since it uses less digits than its factorization.

61080437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504819 (or 504808 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61080437 is about 7815.3974307133. The cubic root of 61080437 is about 393.8226696478.

The spelling of 61080437 in words is "sixty-one million, eighty thousand, four hundred thirty-seven".