60999901 has 4 divisors (see below), whose sum is σ = 61021600. Its totient is φ = 60978204.

The previous prime is 60999871. The next prime is 60999907. The reversal of 60999901 is 10999906.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10999906 = 2 ⋅5499953.

It is a cyclic number.

It is not a de Polignac number, because 60999901 - 2¹⁵ = 60967133 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 (60999907) 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, 5871 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (15255400).

Almost surely, 2^60999901 is an apocalyptic number.

It is an amenable number.

60999901 is a deficient number, since it is larger than the sum of its proper divisors (21699).

60999901 is a wasteful number, since it uses less digits than its factorization.

60999901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 60999901 is about 7810.2433380785. The cubic root of 60999901 is about 393.6495053521.

The spelling of 60999901 in words is "sixty million, nine hundred ninety-nine thousand, nine hundred one".