61288627 has 2 divisors, whose sum is σ = 61288628. Its totient is φ = 61288626.

The previous prime is 61288609. The next prime is 61288639. The reversal of 61288627 is 72688216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61288627 - 2¹¹ = 61286579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61288627.

It is not a weakly prime, because it can be changed into another prime (61288127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30644313 + 30644314.

It is an arithmetic number, because the mean of its divisors is an integer number (30644314).

Almost surely, 2^61288627 is an apocalyptic number.

61288627 is a deficient number, since it is larger than the sum of its proper divisors (1).

61288627 is an equidigital number, since it uses as much as digits as its factorization.

61288627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 61288627 is about 7828.7053208050. The cubic root of 61288627 is about 394.2696046981.

The spelling of 61288627 in words is "sixty-one million, two hundred eighty-eight thousand, six hundred twenty-seven".