7146625537 has 4 divisors (see below), whose sum is σ = 7150530496. Its totient is φ = 7142720580.

The previous prime is 7146625531. The next prime is 7146625547. The reversal of 7146625537 is 7355266417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7146625537 is a prime.

It is a super-2 number, since 2×7146625537² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7146625531) 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, 1949733 + ... + 1953394.

It is an arithmetic number, because the mean of its divisors is an integer number (1787632624).

Almost surely, 2^7146625537 is an apocalyptic number.

It is an amenable number.

7146625537 is a deficient number, since it is larger than the sum of its proper divisors (3904959).

7146625537 is a wasteful number, since it uses less digits than its factorization.

7146625537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904958.

The product of its digits is 1058400, while the sum is 46.

The square root of 7146625537 is about 84537.7166535742. The cubic root of 7146625537 is about 1926.1954040923.

The spelling of 7146625537 in words is "seven billion, one hundred forty-six million, six hundred twenty-five thousand, five hundred thirty-seven".