36404425 has 24 divisors (see below), whose sum is σ = 47151000. Its totient is φ = 27847680.

The previous prime is 36404413. The next prime is 36404441. The reversal of 36404425 is 52440463.

It can be written as a sum of positive squares in 12 ways, for example, as 20912329 + 15492096 = 4573^2 + 3936^2 .

It is not a de Polignac number, because 36404425 - 2¹⁹ = 35880137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36404393 and 36404402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107857 + ... + 108193.

It is an arithmetic number, because the mean of its divisors is an integer number (1964625).

Almost surely, 2^36404425 is an apocalyptic number.

It is an amenable number.

36404425 is a deficient number, since it is larger than the sum of its proper divisors (10746575).

36404425 is a wasteful number, since it uses less digits than its factorization.

36404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 36404425 is about 6033.6079587590. The cubic root of 36404425 is about 331.4245881603.

Adding to 36404425 its reverse (52440463), we get a palindrome (88844888).

The spelling of 36404425 in words is "thirty-six million, four hundred four thousand, four hundred twenty-five".