61115627 has 2 divisors, whose sum is σ = 61115628. Its totient is φ = 61115626.

The previous prime is 61115617. The next prime is 61115633. The reversal of 61115627 is 72651116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61115627 - 2⁴ = 61115611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61115627.

It is not a weakly prime, because it can be changed into another prime (61115617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557813 + 30557814.

It is an arithmetic number, because the mean of its divisors is an integer number (30557814).

Almost surely, 2^61115627 is an apocalyptic number.

61115627 is a deficient number, since it is larger than the sum of its proper divisors (1).

61115627 is an equidigital number, since it uses as much as digits as its factorization.

61115627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 61115627 is about 7817.6484315937. The cubic root of 61115627 is about 393.8982855615.

The spelling of 61115627 in words is "sixty-one million, one hundred fifteen thousand, six hundred twenty-seven".