61606801 has 9 divisors (see below), whose sum is σ = 63324649. Its totient is φ = 59934964.

The previous prime is 61606777. The next prime is 61606819. The reversal of 61606801 is 10860616.

The square root of 61606801 is 7849.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 61606801 - 2¹⁵ = 61574033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61606801.

It is not an unprimeable number, because it can be changed into a prime (61606871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 368820 + ... + 368986.

Almost surely, 2^61606801 is an apocalyptic number.

61606801 is the 7849-th square number.

61606801 is the 3925-th centered octagonal number.

It is an amenable number.

61606801 is a deficient number, since it is larger than the sum of its proper divisors (1717848).

61606801 is an frugal number, since it uses more digits than its factorization.

61606801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The cubic root of 61606801 is about 394.9506983278.

The spelling of 61606801 in words is "sixty-one million, six hundred six thousand, eight hundred one".