61417357 has 2 divisors, whose sum is σ = 61417358. Its totient is φ = 61417356.

The previous prime is 61417351. The next prime is 61417397. The reversal of 61417357 is 75371416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45846441 + 15570916 = 6771^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 61417357 - 2⁷ = 61417229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61417351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708678 + 30708679.

It is an arithmetic number, because the mean of its divisors is an integer number (30708679).

Almost surely, 2^61417357 is an apocalyptic number.

It is an amenable number.

61417357 is a deficient number, since it is larger than the sum of its proper divisors (1).

61417357 is an equidigital number, since it uses as much as digits as its factorization.

61417357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 61417357 is about 7836.9226741113. The cubic root of 61417357 is about 394.5454515965.

It can be divided in two parts, 614 and 17357, that added together give a palindrome (17971).

The spelling of 61417357 in words is "sixty-one million, four hundred seventeen thousand, three hundred fifty-seven".