61026137 has 2 divisors, whose sum is σ = 61026138. Its totient is φ = 61026136.

The previous prime is 61026131. The next prime is 61026149. The reversal of 61026137 is 73162016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 11689561 = 7024^2 + 3419^2 .

It is a cyclic number.

It is not a de Polignac number, because 61026137 - 2¹⁸ = 60763993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61026131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513068 + 30513069.

It is an arithmetic number, because the mean of its divisors is an integer number (30513069).

Almost surely, 2^61026137 is an apocalyptic number.

It is an amenable number.

61026137 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026137 is an equidigital number, since it uses as much as digits as its factorization.

61026137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 61026137 is about 7811.9227466738. The cubic root of 61026137 is about 393.7059333569.

The spelling of 61026137 in words is "sixty-one million, twenty-six thousand, one hundred thirty-seven".