61262801 has 4 divisors (see below), whose sum is σ = 61280100. Its totient is φ = 61245504.

The previous prime is 61262779. The next prime is 61262807. The reversal of 61262801 is 10826216.

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 3806401 + 57456400 = 1951^2 + 7580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61262801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61262807) 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, 1196 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (15320025).

Almost surely, 2^61262801 is an apocalyptic number.

It is an amenable number.

61262801 is a deficient number, since it is larger than the sum of its proper divisors (17299).

61262801 is a wasteful number, since it uses less digits than its factorization.

61262801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17298.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 61262801 is about 7827.0557044140. The cubic root of 61262801 is about 394.2142173836.

The spelling of 61262801 in words is "sixty-one million, two hundred sixty-two thousand, eight hundred one".