61498953 has 16 divisors (see below), whose sum is σ = 95905600. Its totient is φ = 38841120.

The previous prime is 61498949. The next prime is 61498961. The reversal of 61498953 is 35989416.

It is a happy number.

61498953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61498953 - 2² = 61498949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61498899 and 61498908.

It is not an unprimeable number, because it can be changed into a prime (61498903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59428 + ... + 60453.

It is an arithmetic number, because the mean of its divisors is an integer number (5994100).

Almost surely, 2^61498953 is an apocalyptic number.

It is an amenable number.

61498953 is a deficient number, since it is larger than the sum of its proper divisors (34406647).

61498953 is a wasteful number, since it uses less digits than its factorization.

61498953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119909 (or 119903 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 61498953 is about 7842.1268161131. The cubic root of 61498953 is about 394.7200986667.

The spelling of 61498953 in words is "sixty-one million, four hundred ninety-eight thousand, nine hundred fifty-three".