11402541 has 6 divisors (see below), whose sum is σ = 16470350. Its totient is φ = 7601688.

The previous prime is 11402537. The next prime is 11402543. The reversal of 11402541 is 14520411.

It can be written as a sum of positive squares in only one way, i.e., 8874441 + 2528100 = 2979^2 + 1590^2 .

It is not a de Polignac number, because 11402541 - 2² = 11402537 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 (11402543) 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, 633466 + ... + 633483.

Almost surely, 2^11402541 is an apocalyptic number.

It is an amenable number.

11402541 is a deficient number, since it is larger than the sum of its proper divisors (5067809).

11402541 is a wasteful number, since it uses less digits than its factorization.

11402541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266955 (or 1266952 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11402541 is about 3376.7648718855. The cubic root of 11402541 is about 225.0784319158.

Adding to 11402541 its reverse (14520411), we get a palindrome (25922952).

The spelling of 11402541 in words is "eleven million, four hundred two thousand, five hundred forty-one".