61332851 has 4 divisors (see below), whose sum is σ = 61352592. Its totient is φ = 61313112.

The previous prime is 61332833. The next prime is 61332863. The reversal of 61332851 is 15823316.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61332851 is a prime.

It is a super-2 number, since 2×61332851² = 7523437223576402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61332871) 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, 4076 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (15338148).

Almost surely, 2^61332851 is an apocalyptic number.

61332851 is a deficient number, since it is larger than the sum of its proper divisors (19741).

61332851 is a wasteful number, since it uses less digits than its factorization.

61332851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740.

The product of its digits is 4320, while the sum is 29.

The square root of 61332851 is about 7831.5292887149. The cubic root of 61332851 is about 394.3644128636.

The spelling of 61332851 in words is "sixty-one million, three hundred thirty-two thousand, eight hundred fifty-one".