61056319 has 2 divisors, whose sum is σ = 61056320. Its totient is φ = 61056318.

The previous prime is 61056313. The next prime is 61056353. The reversal of 61056319 is 91365016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61056319 - 2³ = 61056311 is a prime.

It is a super-2 number, since 2×61056319² = 7455748179659522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61056311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528159 + 30528160.

It is an arithmetic number, because the mean of its divisors is an integer number (30528160).

Almost surely, 2^61056319 is an apocalyptic number.

61056319 is a deficient number, since it is larger than the sum of its proper divisors (1).

61056319 is an equidigital number, since it uses as much as digits as its factorization.

61056319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 61056319 is about 7813.8542986160. The cubic root of 61056319 is about 393.7708283599.

The spelling of 61056319 in words is "sixty-one million, fifty-six thousand, three hundred nineteen".