61276099 has 4 divisors (see below), whose sum is σ = 62770680. Its totient is φ = 59781520.

The previous prime is 61276097. The next prime is 61276133. The reversal of 61276099 is 99067216.

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

It is a cyclic number.

It is not a de Polignac number, because 61276099 - 2¹ = 61276097 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61276091) 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, 747229 + ... + 747310.

It is an arithmetic number, because the mean of its divisors is an integer number (15692670).

Almost surely, 2^61276099 is an apocalyptic number.

61276099 is a deficient number, since it is larger than the sum of its proper divisors (1494581).

61276099 is a wasteful number, since it uses less digits than its factorization.

61276099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494580.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 61276099 is about 7827.9051476113. The cubic root of 61276099 is about 394.2427386685.

The spelling of 61276099 in words is "sixty-one million, two hundred seventy-six thousand, ninety-nine".