61583051 has 2 divisors, whose sum is σ = 61583052. Its totient is φ = 61583050.

The previous prime is 61583023. The next prime is 61583089. The reversal of 61583051 is 15038516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61583051 - 2⁶ = 61582987 is a prime.

It is not a weakly prime, because it can be changed into another prime (61583021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30791525 + 30791526.

It is an arithmetic number, because the mean of its divisors is an integer number (30791526).

Almost surely, 2^61583051 is an apocalyptic number.

61583051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61583051 is an equidigital number, since it uses as much as digits as its factorization.

61583051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 61583051 is about 7847.4869225759. The cubic root of 61583051 is about 394.8999394042.

The spelling of 61583051 in words is "sixty-one million, five hundred eighty-three thousand, fifty-one".