1351472487 has 4 divisors (see below), whose sum is σ = 1801963320. Its totient is φ = 900981656.

The previous prime is 1351472459. The next prime is 1351472491. The reversal of 1351472487 is 7842741531.

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 1351472487 - 2²⁰ = 1350423911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351472407) 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, 225245412 + ... + 225245417.

It is an arithmetic number, because the mean of its divisors is an integer number (450490830).

Almost surely, 2^1351472487 is an apocalyptic number.

1351472487 is a deficient number, since it is larger than the sum of its proper divisors (450490833).

1351472487 is an equidigital number, since it uses as much as digits as its factorization.

1351472487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450490832.

The product of its digits is 188160, while the sum is 42.

The square root of 1351472487 is about 36762.3786907213. The cubic root of 1351472487 is about 1105.6111323619.

The spelling of 1351472487 in words is "one billion, three hundred fifty-one million, four hundred seventy-two thousand, four hundred eighty-seven".