61299101 has 4 divisors (see below), whose sum is σ = 61421472. Its totient is φ = 61176732.

The previous prime is 61299079. The next prime is 61299103. The reversal of 61299101 is 10199216.

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 61299101 - 2¹⁰ = 61298077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61299103) 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, 60431 + ... + 61436.

It is an arithmetic number, because the mean of its divisors is an integer number (15355368).

Almost surely, 2^61299101 is an apocalyptic number.

It is an amenable number.

61299101 is a deficient number, since it is larger than the sum of its proper divisors (122371).

61299101 is a wasteful number, since it uses less digits than its factorization.

61299101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122370.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 61299101 is about 7829.3742406402. The cubic root of 61299101 is about 394.2920631585.

The spelling of 61299101 in words is "sixty-one million, two hundred ninety-nine thousand, one hundred one".