7487455251 has 8 divisors (see below), whose sum is σ = 9994235904. Its totient is φ = 4986155720.

The previous prime is 7487455247. The next prime is 7487455253. The reversal of 7487455251 is 1525547847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7487455251 - 2² = 7487455247 is a prime.

It is a super-2 number, since 2×7487455251² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7487455251.

It is not an unprimeable number, because it can be changed into a prime (7487455253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367091 + ... + 1372556.

It is an arithmetic number, because the mean of its divisors is an integer number (1249279488).

Almost surely, 2^7487455251 is an apocalyptic number.

7487455251 is a deficient number, since it is larger than the sum of its proper divisors (2506780653).

7487455251 is a wasteful number, since it uses less digits than its factorization.

7487455251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740561.

The product of its digits is 1568000, while the sum is 48.

The square root of 7487455251 is about 86530.0829249574. The cubic root of 7487455251 is about 1956.3418552738.

The spelling of 7487455251 in words is "seven billion, four hundred eighty-seven million, four hundred fifty-five thousand, two hundred fifty-one".