61534667 has 2 divisors, whose sum is σ = 61534668. Its totient is φ = 61534666.

The previous prime is 61534631. The next prime is 61534717. The reversal of 61534667 is 76643516.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61534667 - 2¹⁴ = 61518283 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61534667.

It is not a weakly prime, because it can be changed into another prime (61536667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30767333 + 30767334.

It is an arithmetic number, because the mean of its divisors is an integer number (30767334).

Almost surely, 2^61534667 is an apocalyptic number.

61534667 is a deficient number, since it is larger than the sum of its proper divisors (1).

61534667 is an equidigital number, since it uses as much as digits as its factorization.

61534667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 61534667 is about 7844.4035464782. The cubic root of 61534667 is about 394.7964918677.

The spelling of 61534667 in words is "sixty-one million, five hundred thirty-four thousand, six hundred sixty-seven".