61696801 has 4 divisors (see below), whose sum is σ = 61718292. Its totient is φ = 61675312.

The previous prime is 61696793. The next prime is 61696807. The reversal of 61696801 is 10869616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59213025 + 2483776 = 7695^2 + 1576^2 .

It is a cyclic number.

It is not a de Polignac number, because 61696801 - 2³ = 61696793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61696807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5626 + ... + 12451.

It is an arithmetic number, because the mean of its divisors is an integer number (15429573).

Almost surely, 2^61696801 is an apocalyptic number.

It is an amenable number.

61696801 is a deficient number, since it is larger than the sum of its proper divisors (21491).

61696801 is a wasteful number, since it uses less digits than its factorization.

61696801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 61696801 is about 7854.7311220690. The cubic root of 61696801 is about 395.1429296349.

The spelling of 61696801 in words is "sixty-one million, six hundred ninety-six thousand, eight hundred one".