61375037 has 8 divisors (see below), whose sum is σ = 62170200. Its totient is φ = 60585280.

The previous prime is 61375019. The next prime is 61375057. The reversal of 61375037 is 73057316.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 61293241 = 286^2 + 7829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61375037 - 2¹⁰ = 61374013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61374994 and 61375012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61375057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24587 + ... + 26967.

It is an arithmetic number, because the mean of its divisors is an integer number (7771275).

Almost surely, 2^61375037 is an apocalyptic number.

It is an amenable number.

61375037 is a deficient number, since it is larger than the sum of its proper divisors (795163).

61375037 is a wasteful number, since it uses less digits than its factorization.

61375037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 61375037 is about 7834.2221694307. Note that the first 3 decimals coincide. The cubic root of 61375037 is about 394.4548094670.

The spelling of 61375037 in words is "sixty-one million, three hundred seventy-five thousand, thirty-seven".