1952556541 has 6 divisors (see below), whose sum is σ = 2114306970. Its totient is φ = 1802359728.

The previous prime is 1952556521. The next prime is 1952556559. The reversal of 1952556541 is 1456552591.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 167832025 + 1784724516 = 12955^2 + 42246^2 .

It is not a de Polignac number, because 1952556541 - 2¹¹ = 1952554493 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 (1952556511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5776626 + ... + 5776963.

It is an arithmetic number, because the mean of its divisors is an integer number (352384495).

Almost surely, 2^1952556541 is an apocalyptic number.

It is an amenable number.

1952556541 is a deficient number, since it is larger than the sum of its proper divisors (161750429).

1952556541 is a wasteful number, since it uses less digits than its factorization.

1952556541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553615 (or 11553602 counting only the distinct ones).

The product of its digits is 270000, while the sum is 43.

The square root of 1952556541 is about 44187.7419767066. The cubic root of 1952556541 is about 1249.8787169794.

The spelling of 1952556541 in words is "one billion, nine hundred fifty-two million, five hundred fifty-six thousand, five hundred forty-one".