61528367 has 2 divisors, whose sum is σ = 61528368. Its totient is φ = 61528366.

The previous prime is 61528349. The next prime is 61528391. The reversal of 61528367 is 76382516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61528367 - 2²² = 57334063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61528367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61528667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30764183 + 30764184.

It is an arithmetic number, because the mean of its divisors is an integer number (30764184).

Almost surely, 2^61528367 is an apocalyptic number.

61528367 is a deficient number, since it is larger than the sum of its proper divisors (1).

61528367 is an equidigital number, since it uses as much as digits as its factorization.

61528367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 61528367 is about 7844.0019760324. The cubic root of 61528367 is about 394.7830181468.

It can be divided in two parts, 615 and 28367, that added together give a palindrome (28982).

The spelling of 61528367 in words is "sixty-one million, five hundred twenty-eight thousand, three hundred sixty-seven".