1345252407 has 16 divisors (see below), whose sum is σ = 1822076928. Its totient is φ = 882675360.

The previous prime is 1345252399. The next prime is 1345252427. The reversal of 1345252407 is 7042525431.

It is not a de Polignac number, because 1345252407 - 2³ = 1345252399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345252427) 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, 125418 + ... + 135720.

It is an arithmetic number, because the mean of its divisors is an integer number (113879808).

Almost surely, 2^1345252407 is an apocalyptic number.

1345252407 is a deficient number, since it is larger than the sum of its proper divisors (476824521).

1345252407 is a wasteful number, since it uses less digits than its factorization.

1345252407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1345252407 is about 36677.6826830704. The cubic root of 1345252407 is about 1103.9123514288.

Adding to 1345252407 its reverse (7042525431), we get a palindrome (8387777838).

The spelling of 1345252407 in words is "one billion, three hundred forty-five million, two hundred fifty-two thousand, four hundred seven".