61480387 has 2 divisors, whose sum is σ = 61480388. Its totient is φ = 61480386.

The previous prime is 61480379. The next prime is 61480423. The reversal of 61480387 is 78308416.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61480387 - 2³ = 61480379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61480327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30740193 + 30740194.

It is an arithmetic number, because the mean of its divisors is an integer number (30740194).

Almost surely, 2^61480387 is an apocalyptic number.

61480387 is a deficient number, since it is larger than the sum of its proper divisors (1).

61480387 is an equidigital number, since it uses as much as digits as its factorization.

61480387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 61480387 is about 7840.9429917581. The cubic root of 61480387 is about 394.6803738119.

The spelling of 61480387 in words is "sixty-one million, four hundred eighty thousand, three hundred eighty-seven".