61252663 has 2 divisors, whose sum is σ = 61252664. Its totient is φ = 61252662.

The previous prime is 61252651. The next prime is 61252693. The reversal of 61252663 is 36625216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61252663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61252643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30626331 + 30626332.

It is an arithmetic number, because the mean of its divisors is an integer number (30626332).

Almost surely, 2^61252663 is an apocalyptic number.

61252663 is a deficient number, since it is larger than the sum of its proper divisors (1).

61252663 is an equidigital number, since it uses as much as digits as its factorization.

61252663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 61252663 is about 7826.4080522293. The cubic root of 61252663 is about 394.1924708308.

Adding to 61252663 its reverse (36625216), we get a palindrome (97877879).

The spelling of 61252663 in words is "sixty-one million, two hundred fifty-two thousand, six hundred sixty-three".