15040253 has 2 divisors, whose sum is σ = 15040254. Its totient is φ = 15040252.

The previous prime is 15040247. The next prime is 15040273. The reversal of 15040253 is 35204051.

It is an a-pointer prime, because the next prime (15040273) can be obtained adding 15040253 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15038884 + 1369 = 3878^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 15040253 - 2¹⁸ = 14778109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520126 + 7520127.

It is an arithmetic number, because the mean of its divisors is an integer number (7520127).

Almost surely, 2^15040253 is an apocalyptic number.

It is an amenable number.

15040253 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040253 is an equidigital number, since it uses as much as digits as its factorization.

15040253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 15040253 is about 3878.1765044928. The cubic root of 15040253 is about 246.8416158030.

The spelling of 15040253 in words is "fifteen million, forty thousand, two hundred fifty-three".