61482569 has 2 divisors, whose sum is σ = 61482570. Its totient is φ = 61482568.

The previous prime is 61482559. The next prime is 61482593. The reversal of 61482569 is 96528416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 15405625 = 6788^2 + 3925^2 .

It is a cyclic number.

It is not a de Polignac number, because 61482569 - 2⁸ = 61482313 is a prime.

It is a super-2 number, since 2×61482569² = 7560212581679522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61482539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30741284 + 30741285.

It is an arithmetic number, because the mean of its divisors is an integer number (30741285).

Almost surely, 2^61482569 is an apocalyptic number.

It is an amenable number.

61482569 is a deficient number, since it is larger than the sum of its proper divisors (1).

61482569 is an equidigital number, since it uses as much as digits as its factorization.

61482569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 61482569 is about 7841.0821319509. The cubic root of 61482569 is about 394.6850429561.

The spelling of 61482569 in words is "sixty-one million, four hundred eighty-two thousand, five hundred sixty-nine".