404251541 has 4 divisors (see below), whose sum is σ = 407434752. Its totient is φ = 401068332.

The previous prime is 404251537. The next prime is 404251567. The reversal of 404251541 is 145152404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404251541 - 2² = 404251537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404251541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404250541) 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, 1591415 + ... + 1591668.

It is an arithmetic number, because the mean of its divisors is an integer number (101858688).

Almost surely, 2^404251541 is an apocalyptic number.

It is an amenable number.

404251541 is a deficient number, since it is larger than the sum of its proper divisors (3183211).

404251541 is a wasteful number, since it uses less digits than its factorization.

404251541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183210.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 404251541 is about 20106.0075847991. The cubic root of 404251541 is about 739.4075736894.

The spelling of 404251541 in words is "four hundred four million, two hundred fifty-one thousand, five hundred forty-one".