6201154451 has 4 divisors (see below), whose sum is σ = 6202257072. Its totient is φ = 6200051832.

The previous prime is 6201154441. The next prime is 6201154457. The reversal of 6201154451 is 1544511026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6201154451 is a prime.

It is a super-2 number, since 2×6201154451² = 76908633050314222802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6201154457) 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, 542831 + ... + 554136.

It is an arithmetic number, because the mean of its divisors is an integer number (1550564268).

Almost surely, 2^6201154451 is an apocalyptic number.

6201154451 is a deficient number, since it is larger than the sum of its proper divisors (1102621).

6201154451 is a wasteful number, since it uses less digits than its factorization.

6201154451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102620.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 6201154451 is about 78747.4091700800. The cubic root of 6201154451 is about 1837.2045661111.

Adding to 6201154451 its reverse (1544511026), we get a palindrome (7745665477).

The spelling of 6201154451 in words is "six billion, two hundred one million, one hundred fifty-four thousand, four hundred fifty-one".