61411501 has 2 divisors, whose sum is σ = 61411502. Its totient is φ = 61411500.

The previous prime is 61411489. The next prime is 61411517. The reversal of 61411501 is 10511416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51337225 + 10074276 = 7165^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 61411501 - 2¹⁹ = 60887213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61411561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30705750 + 30705751.

It is an arithmetic number, because the mean of its divisors is an integer number (30705751).

Almost surely, 2^61411501 is an apocalyptic number.

It is an amenable number.

61411501 is a deficient number, since it is larger than the sum of its proper divisors (1).

61411501 is an equidigital number, since it uses as much as digits as its factorization.

61411501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 61411501 is about 7836.5490491670. The cubic root of 61411501 is about 394.5329115388.

Adding to 61411501 its reverse (10511416), we get a palindrome (71922917).

The spelling of 61411501 in words is "sixty-one million, four hundred eleven thousand, five hundred one".