997050101 has 4 divisors (see below), whose sum is σ = 1000598604. Its totient is φ = 993501600.

The previous prime is 997050097. The next prime is 997050107. The reversal of 997050101 is 101050799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430562500 + 566487601 = 20750^2 + 23801^2 .

It is a cyclic number.

It is not a de Polignac number, because 997050101 - 2² = 997050097 is a prime.

It is a super-2 number, since 2×997050101² = 1988217807808220402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997050107) 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, 1773830 + ... + 1774391.

It is an arithmetic number, because the mean of its divisors is an integer number (250149651).

Almost surely, 2^997050101 is an apocalyptic number.

It is an amenable number.

997050101 is a deficient number, since it is larger than the sum of its proper divisors (3548503).

997050101 is a wasteful number, since it uses less digits than its factorization.

997050101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548502.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 997050101 is about 31576.1001550223. The cubic root of 997050101 is about 999.0157318674.

The spelling of 997050101 in words is "nine hundred ninety-seven million, fifty thousand, one hundred one".