61914903 has 4 divisors (see below), whose sum is σ = 82553208. Its totient is φ = 41276600.

The previous prime is 61914899. The next prime is 61914989. The reversal of 61914903 is 30941916.

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 61914903 - 2² = 61914899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61914403) 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, 10319148 + ... + 10319153.

It is an arithmetic number, because the mean of its divisors is an integer number (20638302).

Almost surely, 2^61914903 is an apocalyptic number.

61914903 is a deficient number, since it is larger than the sum of its proper divisors (20638305).

61914903 is a wasteful number, since it uses less digits than its factorization.

61914903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638304.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 61914903 is about 7868.6023536585. The cubic root of 61914903 is about 395.6080002628.

The spelling of 61914903 in words is "sixty-one million, nine hundred fourteen thousand, nine hundred three".