61498797 has 8 divisors (see below), whose sum is σ = 83342880. Its totient is φ = 40326960.

The previous prime is 61498771. The next prime is 61498813. The reversal of 61498797 is 79789416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61498797 - 2¹⁰ = 61497773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61498727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167847 + ... + 168212.

It is an arithmetic number, because the mean of its divisors is an integer number (10417860).

Almost surely, 2^61498797 is an apocalyptic number.

It is an amenable number.

61498797 is a deficient number, since it is larger than the sum of its proper divisors (21844083).

61498797 is a wasteful number, since it uses less digits than its factorization.

61498797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336123.

The product of its digits is 762048, while the sum is 51.

The square root of 61498797 is about 7842.1168698254. The cubic root of 61498797 is about 394.7197649136.

The spelling of 61498797 in words is "sixty-one million, four hundred ninety-eight thousand, seven hundred ninety-seven".