61964101 has 4 divisors (see below), whose sum is σ = 63014400. Its totient is φ = 60913804.

The previous prime is 61964081. The next prime is 61964107. The reversal of 61964101 is 10146916.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61964101 - 2⁷ = 61963973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61964101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61964107) 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, 525061 + ... + 525178.

It is an arithmetic number, because the mean of its divisors is an integer number (15753600).

Almost surely, 2^61964101 is an apocalyptic number.

It is an amenable number.

61964101 is a deficient number, since it is larger than the sum of its proper divisors (1050299).

61964101 is a wasteful number, since it uses less digits than its factorization.

61964101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050298.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 61964101 is about 7871.7279551570. The cubic root of 61964101 is about 395.7127567838.

The spelling of 61964101 in words is "sixty-one million, nine hundred sixty-four thousand, one hundred one".