61523347 has 2 divisors, whose sum is σ = 61523348. Its totient is φ = 61523346.

The previous prime is 61523309. The next prime is 61523359. The reversal of 61523347 is 74332516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61523347 - 2¹⁵ = 61490579 is a prime.

It is not a weakly prime, because it can be changed into another prime (61523647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30761673 + 30761674.

It is an arithmetic number, because the mean of its divisors is an integer number (30761674).

Almost surely, 2^61523347 is an apocalyptic number.

61523347 is a deficient number, since it is larger than the sum of its proper divisors (1).

61523347 is an equidigital number, since it uses as much as digits as its factorization.

61523347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 61523347 is about 7843.6819797847. The cubic root of 61523347 is about 394.7722812854.

The spelling of 61523347 in words is "sixty-one million, five hundred twenty-three thousand, three hundred forty-seven".