40361525 has 6 divisors (see below), whose sum is σ = 50048322. Its totient is φ = 32289200.

The previous prime is 40361521. The next prime is 40361539. The reversal of 40361525 is 52516304.

It can be written as a sum of positive squares in 3 ways, for example, as 1136356 + 39225169 = 1066^2 + 6263^2 .

It is not a de Polignac number, because 40361525 - 2² = 40361521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40361494 and 40361503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361521) 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, 807206 + ... + 807255.

It is an arithmetic number, because the mean of its divisors is an integer number (8341387).

Almost surely, 2^40361525 is an apocalyptic number.

It is an amenable number.

40361525 is a deficient number, since it is larger than the sum of its proper divisors (9686797).

40361525 is a wasteful number, since it uses less digits than its factorization.

40361525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614471 (or 1614466 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 40361525 is about 6353.0720915160. The cubic root of 40361525 is about 343.0224324960.

Adding to 40361525 its reverse (52516304), we get a palindrome (92877829).

The spelling of 40361525 in words is "forty million, three hundred sixty-one thousand, five hundred twenty-five".