1252364215 has 4 divisors (see below), whose sum is σ = 1502837064. Its totient is φ = 1001891368.

The previous prime is 1252364213. The next prime is 1252364227. The reversal of 1252364215 is 5124632521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1252364215 - 2¹ = 1252364213 is a prime.

It is a super-2 number, since 2×1252364215² = 3136832254025132450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252364213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125236417 + ... + 125236426.

It is an arithmetic number, because the mean of its divisors is an integer number (375709266).

Almost surely, 2^1252364215 is an apocalyptic number.

1252364215 is a deficient number, since it is larger than the sum of its proper divisors (250472849).

1252364215 is an equidigital number, since it uses as much as digits as its factorization.

1252364215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250472848.

The product of its digits is 14400, while the sum is 31.

The square root of 1252364215 is about 35388.7583139053. The cubic root of 1252364215 is about 1077.8960568715.

Adding to 1252364215 its reverse (5124632521), we get a palindrome (6376996736).

The spelling of 1252364215 in words is "one billion, two hundred fifty-two million, three hundred sixty-four thousand, two hundred fifteen".