61959903 has 8 divisors (see below), whose sum is σ = 82656816. Its totient is φ = 41284800.

The previous prime is 61959901. The next prime is 61959913. The reversal of 61959903 is 30995916.

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

It is not a de Polignac number, because 61959903 - 2¹ = 61959901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61959901) 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, 3093 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (10332102).

Almost surely, 2^61959903 is an apocalyptic number.

61959903 is a deficient number, since it is larger than the sum of its proper divisors (20696913).

61959903 is a wasteful number, since it uses less digits than its factorization.

61959903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 61959903 is about 7871.4613001653. The cubic root of 61959903 is about 395.7038202133.

The spelling of 61959903 in words is "sixty-one million, nine hundred fifty-nine thousand, nine hundred three".