61046569 has 2 divisors, whose sum is σ = 61046570. Its totient is φ = 61046568.

The previous prime is 61046567. The next prime is 61046599. The reversal of 61046569 is 96564016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61042969 + 3600 = 7813^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 61046569 - 2¹ = 61046567 is a prime.

It is a super-2 number, since 2×61046569² = 7453367173343522, which contains 22 as substring.

Together with 61046567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61046567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523284 + 30523285.

It is an arithmetic number, because the mean of its divisors is an integer number (30523285).

Almost surely, 2^61046569 is an apocalyptic number.

It is an amenable number.

61046569 is a deficient number, since it is larger than the sum of its proper divisors (1).

61046569 is an equidigital number, since it uses as much as digits as its factorization.

61046569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 61046569 is about 7813.2303818587. The cubic root of 61046569 is about 393.7498670026.

The spelling of 61046569 in words is "sixty-one million, forty-six thousand, five hundred sixty-nine".