61524461 has 2 divisors, whose sum is σ = 61524462. Its totient is φ = 61524460.

The previous prime is 61524431. The next prime is 61524469. The reversal of 61524461 is 16442516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 1771561 = 7730^2 + 1331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61524461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61524469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30762230 + 30762231.

It is an arithmetic number, because the mean of its divisors is an integer number (30762231).

Almost surely, 2^61524461 is an apocalyptic number.

It is an amenable number.

61524461 is a deficient number, since it is larger than the sum of its proper divisors (1).

61524461 is an equidigital number, since it uses as much as digits as its factorization.

61524461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 61524461 is about 7843.7529920313. The cubic root of 61524461 is about 394.7746639780.

Adding to 61524461 its reverse (16442516), we get a palindrome (77966977).

The spelling of 61524461 in words is "sixty-one million, five hundred twenty-four thousand, four hundred sixty-one".