61149801 has 16 divisors (see below), whose sum is σ = 85570560. Its totient is φ = 38768400.

The previous prime is 61149797. The next prime is 61149811. The reversal of 61149801 is 10894116.

It is not a de Polignac number, because 61149801 - 2² = 61149797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61149811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876 + ... + 14826.

It is an arithmetic number, because the mean of its divisors is an integer number (5348160).

Almost surely, 2^61149801 is an apocalyptic number.

It is an amenable number.

61149801 is a deficient number, since it is larger than the sum of its proper divisors (24420759).

61149801 is a wasteful number, since it uses less digits than its factorization.

61149801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 61149801 is about 7819.8338217637. The cubic root of 61149801 is about 393.9716905287.

The spelling of 61149801 in words is "sixty-one million, one hundred forty-nine thousand, eight hundred one".