3621540254 has 4 divisors (see below), whose sum is σ = 5432310384. Its totient is φ = 1810770126.

The previous prime is 3621540253. The next prime is 3621540257. The reversal of 3621540254 is 4520451263.

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

It is a super-2 number, since 2×3621540254² = 26231107622684769032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3621540254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621540253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905385062 + ... + 905385065.

It is an arithmetic number, because the mean of its divisors is an integer number (1358077596).

Almost surely, 2^3621540254 is an apocalyptic number.

3621540254 is a deficient number, since it is larger than the sum of its proper divisors (1810770130).

3621540254 is a wasteful number, since it uses less digits than its factorization.

3621540254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810770129.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 3621540254 is about 60179.2344085566. The cubic root of 3621540254 is about 1535.6695475893.

The spelling of 3621540254 in words is "three billion, six hundred twenty-one million, five hundred forty thousand, two hundred fifty-four".