61735501 has 2 divisors, whose sum is σ = 61735502. Its totient is φ = 61735500.

The previous prime is 61735481. The next prime is 61735507. The reversal of 61735501 is 10553716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49140100 + 12595401 = 7010^2 + 3549^2 .

It is a cyclic number.

It is not a de Polignac number, because 61735501 - 2¹⁵ = 61702733 is a prime.

It is a super-2 number, since 2×61735501² = 7622544167442002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61735501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61735507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30867750 + 30867751.

It is an arithmetic number, because the mean of its divisors is an integer number (30867751).

Almost surely, 2^61735501 is an apocalyptic number.

It is an amenable number.

61735501 is a deficient number, since it is larger than the sum of its proper divisors (1).

61735501 is an equidigital number, since it uses as much as digits as its factorization.

61735501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 61735501 is about 7857.1942193126. The cubic root of 61735501 is about 395.2255316222.

The spelling of 61735501 in words is "sixty-one million, seven hundred thirty-five thousand, five hundred one".