1015447213 has 16 divisors (see below), whose sum is σ = 1176322176. Its totient is φ = 866314240.

The previous prime is 1015447211. The next prime is 1015447249. The reversal of 1015447213 is 3127445101.

It is not a de Polignac number, because 1015447213 - 2¹ = 1015447211 is a prime.

It is a super-2 number, since 2×1015447213² = 2062266084778934738, 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 (1015447211) 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, 58320 + ... + 73702.

It is an arithmetic number, because the mean of its divisors is an integer number (73520136).

Almost surely, 2^1015447213 is an apocalyptic number.

It is an amenable number.

1015447213 is a deficient number, since it is larger than the sum of its proper divisors (160874963).

1015447213 is a wasteful number, since it uses less digits than its factorization.

1015447213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15764.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1015447213 is about 31866.0824859285. The cubic root of 1015447213 is about 1005.1227832792.

The spelling of 1015447213 in words is "one billion, fifteen million, four hundred forty-seven thousand, two hundred thirteen".