15270252 has 48 divisors (see below), whose sum is σ = 37830912. Its totient is φ = 4783680.

The previous prime is 15270251. The next prime is 15270263. The reversal of 15270252 is 25207251.

Added to its reverse (25207251) it gives a triangular number (40477503 = T₈₉₉₇).

It is a super-2 number, since 2×15270252² = 466361192287008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15270251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16383 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (788144).

Almost surely, 2^15270252 is an apocalyptic number.

15270252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15270252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18915456).

15270252 is an abundant number, since it is smaller than the sum of its proper divisors (22560660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15270252 is a wasteful number, since it uses less digits than its factorization.

15270252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 15270252 is about 3907.7169805399. The cubic root of 15270252 is about 248.0935087893.

Adding to 15270252 its reverse (25207251), we get a triangular number (40477503 = T₈₉₉₇).

The spelling of 15270252 in words is "fifteen million, two hundred seventy thousand, two hundred fifty-two".