61532087 has 2 divisors, whose sum is σ = 61532088. Its totient is φ = 61532086.

The previous prime is 61532059. The next prime is 61532101. The reversal of 61532087 is 78023516.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61532087 - 2¹⁶ = 61466551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61532017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30766043 + 30766044.

It is an arithmetic number, because the mean of its divisors is an integer number (30766044).

Almost surely, 2^61532087 is an apocalyptic number.

61532087 is a deficient number, since it is larger than the sum of its proper divisors (1).

61532087 is an equidigital number, since it uses as much as digits as its factorization.

61532087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 61532087 is about 7844.2390963050. The cubic root of 61532087 is about 394.7909741694.

The spelling of 61532087 in words is "sixty-one million, five hundred thirty-two thousand, eighty-seven".