36431425 has 24 divisors (see below), whose sum is σ = 49925376. Its totient is φ = 26231040.

The previous prime is 36431419. The next prime is 36431429. The reversal of 36431425 is 52413463.

It is not a de Polignac number, because 36431425 - 2⁵ = 36431393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36431393 and 36431402.

It is not an unprimeable number, because it can be changed into a prime (36431429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7912 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (2080224).

Almost surely, 2^36431425 is an apocalyptic number.

It is an amenable number.

36431425 is a deficient number, since it is larger than the sum of its proper divisors (13493951).

36431425 is a wasteful number, since it uses less digits than its factorization.

36431425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3772 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 36431425 is about 6035.8450112640. The cubic root of 36431425 is about 331.5065035916.

Adding to 36431425 its reverse (52413463), we get a palindrome (88844888).

It can be divided in two parts, 36431 and 425, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 36431425 in words is "thirty-six million, four hundred thirty-one thousand, four hundred twenty-five".