61590037 has 2 divisors, whose sum is σ = 61590038. Its totient is φ = 61590036.

The previous prime is 61590029. The next prime is 61590079. The reversal of 61590037 is 73009516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61058596 + 531441 = 7814^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 61590037 - 2³ = 61590029 is a prime.

It is a super-2 number, since 2×61590037² = 7586665315322738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61589990 and 61590008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61590007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30795018 + 30795019.

It is an arithmetic number, because the mean of its divisors is an integer number (30795019).

Almost surely, 2^61590037 is an apocalyptic number.

It is an amenable number.

61590037 is a deficient number, since it is larger than the sum of its proper divisors (1).

61590037 is an equidigital number, since it uses as much as digits as its factorization.

61590037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 61590037 is about 7847.9320206026. The cubic root of 61590037 is about 394.9148713626.

The spelling of 61590037 in words is "sixty-one million, five hundred ninety thousand, thirty-seven".