61526053 has 2 divisors, whose sum is σ = 61526054. Its totient is φ = 61526052.

The previous prime is 61526051. The next prime is 61526083. The reversal of 61526053 is 35062516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 91809 = 7838^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 61526053 - 2¹ = 61526051 is a prime.

Together with 61526051, it forms a pair of twin primes.

It is equal to p_3647242 and since 61526053 and 3647242 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61526051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30763026 + 30763027.

It is an arithmetic number, because the mean of its divisors is an integer number (30763027).

Almost surely, 2^61526053 is an apocalyptic number.

It is an amenable number.

61526053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61526053 is an equidigital number, since it uses as much as digits as its factorization.

61526053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 61526053 is about 7843.8544734078. The cubic root of 61526053 is about 394.7780689968.

Adding to 61526053 its reverse (35062516), we get a palindrome (96588569).

The spelling of 61526053 in words is "sixty-one million, five hundred twenty-six thousand, fifty-three".